v. i. [ imp. & p. p. Lucubrated p. pr. & vb. n. Lucubrated ] [ 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 ]
v. t. To elaborate, perfect, or compose, by night study or by laborious endeavor. [ 1913 Webster ]