Lucubrate \Lu"cu*brate\, 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]