Lucubrate

• POS: Verb (intransitive)
• HYPHEN: lu=cu=brate

CIDE DICTIONARY

Lucubrate, v. i. [L. lucubratus, p. p. of lucubrare to work by lamplight, fr. lux light. See Light, n.].

 To study by candlelight or a lamp; to study by night.  [1913 Webster]

Lucubrate, v. t. 

 To elaborate, perfect, or compose, by night study or by laborious endeavor.  [1913 Webster]

OXFORD DICTIONARY

Lucubrate, v.intr. literary 1 write or study, esp. by night.
2 express one's meditations in writing.

Derivative

lucubrator n.

Etymology

L lucubrare lucubrat- work by lamplight (as LUX)