lecture - a discourse given before an audience upon a given subject, usually for the purpose of instruction

cran - Applied formerly to the crane and the heron + crann (Irish) - tree + Irish children used to take a wren fastened in a mass of holly and ivy from door to door collecting money on Saint Stepehen's Day, chanting: 'The Wren, the Wren, The king of all birds'.

squire - a man, esp. a young man, who attends upon, accompanies, or escorts a lady; a gallant or lover + squire of dames - one who devotes himself to service of ladies.

Plantagenet - English royal house furnishing sovreigns (1154-1399) + plantage - the cultivation of plants; plants in the mass; vegetation, herbage + planta genesta (l) - the broom-plant (emblem, thence surname of English dynasty 1154-1399).

hide one's light under a bushel - to hide or be modest about one's ability or skill + Matthew 5:15: 'Nor do men light a candle and put it under a bushel'.

fornenst - right opposite to, over against; facing

Sumerian - pertaining to Sumer or Sumir, one of the districts of ancient Babylonia, or to its population

Cimmerian - one of the mythical people described by Homer as dwelling in remote realm of mist and gloom; a member of a nomadic people of antiquity, the earliest known inhabitants of the Crimea, who overran Asia Minor in the 7th century b.c.

invisibly - so that it cannot be seen, imperceptibly

lying - the action of lie (v.) in various senses; resting, reclining; spec. The state of being buried.

take down - to write down so as to use or preserve (what is said); to take a written report or notes of

stereo = stereophonic (giving the impression of a spatial distribution in reproduced sound; spec. employing two or more channels of transmission and reproduction so that the sound may seem to reach the listener from any of a range of directions); of, pertaining to, or adapted to the stereoscope (an instrument for obtaining, from two pictures (usually photographs) of an object, taken from slightly different points of view (corresponding to the positions of the two eyes), a single image giving the impression of solidity or relief, as in ordinary vision of the object itself.)

tunc (l) - then + cunt (Slang) - vulva (anagram) + Tunc page of Book of Kells (Sullivan: The Book of Kells plate XI).

tuk - obs. pa. tense of take (v.) + kut (Dutch) - vulva (anagram).

thunk - dial. and joc. pa. tense and pa. pple. of think (v.)

remount - to ascend or go up (a place or thing) again; to go back, in the course of an investigation or study, to a certain point, period, etc.

origin + ouragan (fr) - hurricane.

cardinal number - (Arith.): a number which answers the question 'how many?'; one of the primitive or 'natural' numbers (one, two, three, etc.), as distinguished from the ordinal numbers (first, second, third, etc.).

preeminent - eminent before or above others, excelling or surpassing others

arber - obs. form of arbour (a garden of fruit-trees, an orchard) + arbor (l) - tree.

bird's

avis (l) - bird

burble - to speak murmurously; to flow in or with bubbles, or with bubbling sound + purple.

conclave - the assembly of cardinals met for the election of a Pope; any private or close assembly, esp. of an ecclesiastical character

purpurando (l) - by purpling, by making purple + purpurandus (Vatican Latin Slang) - one fit to be purpled, i.e. made a cardinal.

Italiote - of or pertaining to the Greek colonies in southern Italy or Magna Gręcia

interfair - erron. ff. interaffair (? An affair or business between two parties) + interfairance (Irish Pronunciation) - interference.

in petto (it) - in one's own breast or private intention; undisclosed

stalk - the main stem of a herbaceous plant, bearing the flowers and leaves; the main part of anything long and slender, as distinguished from the extremities + Jack and the Beanstalk (pantomime).

Tonans (l) - Thunderer: ephitet of Jupiter + tonen (ger) - sound.

Zeus (gr) - "Brightness": chief god of the Greeks + Tommaseo (it) - Thomas.

dite - something indited or composed and put in writing; a composition, writing; a written message, letter, 'passage', etc.; to compose or put in words (a set speech, poem, or writing) + O dite (l) - O enrich! + audite (l) - hear ye! + O dite (it) - O say.

purpurandi (l) - those to be turned purple + corcair (Irish) - purple.

Udi - an almost extinct north-east Caucasian language of Daghestan + audi (l) - hear! + udi! (it) - hear! (singular).

audite (l) - hear ye! + udite! (it) - hear! (plural).

ominosus (l) - full of foreboding + omnis (l) - all + cardinals are addressed 'Your Eminence'.

imminence - the fact or condition of being imminent or impending; impending evil or peril

delict - a violation of law or right; an offence, a delinquency + elicted

fraternity - a body or order of men organized for religious or devout purposes

Tudor + odore (Italian) - odour.

Idaho

shopgirl - a saleswoman

woody - of the nature of or consisting of wood + Babes in the Wood (song).

flamingo + Flannigan, Bird - Dublin playboy, rode a horse into the Gresham, stole a Zulu child at the Exhibition of 1909. 

Sweeney - I cannot distinguish T. S. Eliot's Sweeney among the Nightingales from the Irish king, Sweeney, who went mad and lived in trees with wild birds (Glasheen, Adaline / Third census of Finnegans wake).

fugle - to act as guide or director; to make signals + fugle (Danish) - birds. 

topmast - a smaller mast fixed on the top of a lower mast; spec. the second section of a mast above the deck, which was formerly the uppermost mast, but is now surmounted by the topgallant mast.

Urania - muse of astronomy, planet, Aphrodite as spiritual love

ciel (fr) - sky

pomme de terre (fr) - potato + terre (fr) - potato + boom (Dutch) - tree.

Tyburn - the place of public execution for Middlesex until 1783, situated at the junction of the present Oxford Street, Bayswater Road, and Edgware Road. Executions were transferred to Newgate after 1783, and were carried out publicly until 1868. The last man hanged in front of Newgate was the Fenian Michael Barrett, 26 May 1868 + (notebook 1922-23): 'Tyburn tree'. 

quicken - the mountain-ash, or rowan-tree

crossbones - a figure of two thigh-bones laid across each other in the form of the letter X, usually placed under the figure of a skull, as an emblem of death

strew - to cover (the ground, a floor, any surface) with something loosely scattered or sprinkled

culprits

BORSTAL - Village near Rochester, Kent, South-East England; site of original Borstal Reformatory for Juvenile Delinquents (known as "Borstal boys"). Erasmus Smith was a 17th-century London merchant who gave his Irish land-holdings to endow Protestant schools throughout Ireland.  

underhand - secret, clandestine, surreptitious; not open or obvious, unobtrusive

leadpencil - a pencil of graphite, often enclosed in cedar or other wood

crotch - the fork of a tree or bough, where it divides into two limbs or branches

charlotte - a dish made of apple marmalade covered with crumbs of toasted bread; also, a similar dish made with fruit other than apple + Charles Darwin: Origin of Species.

dissent - difference of opinion or sentiment, disagreement; esp. The practical expression of disagreement with the form of religious worship which prevails or is authoritatively established in any country + Darwin: The Descent of Man.

gibbon - a name common to the long-armed apes of the genus Hylobates

Guelphs and Ghibellines were factions supporting the Pope and the Holy Roman Emperor, respectively, in central and northern Italy.

gibber - to speak (about unimportant matters) rapidly and incessantly

prie-Dieu (fr) - praying-stool, praying-desk

anatolios (gr) - rising, orient, the East

blighting - that blights; blasting, withering + blight - to cause to suffer a blight ("Too much rain may blight the garden with mold") + (cursing).

katastrepho (gr) - to overthrow + katastrapto (gr) - to hurl down lightning + catastrophes.

Cill Maighnenn (kil meinen) (gael) - Maighneann's Church; Dublin district (with former political prison) S. of Liffey; anglic. Kilmainham + Royal Hospital, Kilmainham, for old soldiers.

pensioner - spec. One who is in receipt of a pension or stated allowance + (notebook 1924): 'Old Men pensioners of State' → Riguet: Saint Patrice 6: (of the customs of the Celts) 'the aged were protected and honoured... the poor old man was provided for by the tribe'.

chuck - to throw with the hand with little action of the arm, to throw underhand

overthrown - thrown over on its side, face, or upper surface

*V* milestone (Joyce's note) + Wellington Monument, Phoenix Park, once popularly called the 'overgrown milestone'.

cranberry - the fruit of a dwarf shrub, Vaccinium Oxycoccos, a native of Britain, Northern Europe, Siberia, and N. America, growing in turfy bogs: a small, roundish, dark red, very acid berry.

pomme - a potato. Chiefly pl., esp. in pommes allumettes, 'potato matchsticks' + pommes Anna (French) - a French dish.

natural selection

hoyden - a rude, or ill-bred girl (or woman); a boisterous noisy girl, a romp

'Who Killed Cock Robin' is an English nursery rhyme, which has been much used as a murder archetype in world culture.

lit. vielmehr (ger) - moreover

mikado - a title given to the emperor of Japan

YGGDRASIL - The "world-tree" of Norse myth, an evergreen ash tree whose roots, trunk, and branches bind together hell, earth, and heaven. Its 3 roots go down into the realm of death, the realm of the giants, and Asgard, the realm of the gods. Beneath it the 3 Normans live by the Spring of Fate. "Ygg" is one of the names of Odin.   

peg - to confine with pegs; to restrict or limit closely

honeysuckle - the common name of Lonicera Periclymenum, also called Woodbine, a climbing shrub with fragrant yellowish trumpet-shaped flowers, frequent in woods.

(notebook 1923): 'wedding favors white heather & myrtle' ('wedding' and 'myrtle' not clear) → the wedding veil of Elizabeth Bowes-Lyon (later to be known as the Queen Consort and the Queen Mother), when she married Prince Albert (later to become King George VI) on 26 April 1923, was decorated with myrtle leaves, white roses and white heather.