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ludicrous
Ludlow
ludo
Ludwigshafen
lues
luff
luffa
Luftwaffe
lug (1)
lug (2)
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lug nut
Luganda
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Lugano, Lake
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lucubration

lu·cu·bra·tion [ lkyə bráysh'n ] (plural lu·cu·bra·tions)


noun 
Definition:
 
1. piece of learned writing: a written work resulting from prolonged study, often having a scholarly or pedantic style ( usually used in the plural )

2. long study: long hard study, especially at night

[Late 16th century. < Latin lucubration-< lucubrare "compose at night" < luc- "light"]

lu·cu·brate [ lkyə bràyt ] intransitive verb
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