L ( ehl ) - v luis.
lád - watercourse.
Laighean - Leinster.
laochas - valor, pride, heroism, boastfulness, bravado.
láthair - 1) site, location; 2) presence (of person, 7rl), present place and/or time.
láthar - strength, vigor.
leabhar (-air) - 1) book (a Latin loan-word); 2) a collection of seanchais, among the most important of which include: Leabhar Buí Leacáin, L. Laighneach, L. Leasca Mhóir, and L. na hUidhre.
leac - (esp. door, flat or horizontal) stone.
leacht - 1) grave; 2) cairn.
leannán - 1) lover (human, but specific term for of Sídhe); 2) chronic affliction, failing (character weakness).
leapaidh lánlaidhí - lit. "Harborage of complete attentions"; (esp. secure or powerful) mind-set (to do bríocht or in meditation).
léargas - insight, non- (or very light) trance vision, psychic sight.
léaspáin - dancing colored lights (mealladh, cf méarnáil).
leathdhraíocht - "half-a-druidism" with some genuine, but many foreign elements.
Lebor Gabála, an - "The Book of Invasions", seanchas (not an actual "leabhar" of the invasions of Ireland; the first three invasions (i.e. Cesair, Partholón, Nemed) of which are interpolations added by later Christian scribes to bring it in line with church and Classical references.
leid - hint, clue, pointer.
leigheas - healing.
léim thar - v ling thar.
léine - long shirt, tunic, vest.
léirmheas (eannna) - review (of books), critical complete assessment.
lia - 1) standing stone; 2) physician.
Lia Fáil - stone that sang when the true king stood on it (definitely not the one now so-called).
liag - (esp. ornamented standing) stone.
liathlus - mugwort.
ling thar tine cnámh - leap over the bonfire, to be "cooked", i.e. reaffirm social membership (cf níghe).
líonadh - 1) flood tide; 2) waxing moon.
lionn iomhais - drink granting magical insight.
lios - 1) enclosed space); 2) cnoc Sídhe; 3) halo around moon.
líth (líotha) - good omen indicating the day upon which it occurs is beneficial (cf caoilíth).
loachmhír - hero's portion at a feast.
Lochcrú and Lucetmael - draoithe ríogaí Teamhrach at the coming of Pádraig, the first Pádraig, the latter lost a magical battle to him by being ineptly unable to perform feats which other druids handled with ease.
locht - flaw, limiting defect, slip-up (cf éalang, fabht).
lodairne - badly spun yarn, scraggy weaving (poorly composed bríocht).
Lúachrán (also Lúachair) - pagan capital of Munster, exact location unknown, somewhere in Co. Kerry or S.W. Co. Limerick.
lúan láith - halo-like radiance around head of person in ríastrad.
Lucetmail - v Lochrú.
Lugbrann - 6th century (i.e. Christian times) druid.
Lughnasa - quarter day beginning sunset 31 July.
luibh (-eanna) - herb.
luibhlia - herbalist.
luis - the magical name of Rowan, the fiodh for letter L, associated with, among other things, protection, investiture, and rejuvenation; most important tree of (human) druids; (the American mountain-ash does not qualify as a true Rowan, which must have a hairy bud-head).
lus (-anna) - herb.
lusca - man-made cave, crypt.