n. intense and prolonged study or meditation; especially, late at night
n. The product of such study; often, writings.
the GNU version of the Collaborative International Dictionary of English
n. The act of lucubrating, or studying by candlelight; nocturnal study; meditation.
n. That which is composed by night; that which is produced by meditation in retirement; hence (loosely) any literary composition.
The Century Dictionary and Cyclopedia
n. The act of lucubrating; close study or thought; careful consideration; meditation.
n. A product of thought or study; a written composition; an essay or treatise.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a solemn literary work that is the product of laborious cogitation
n. laborious cogitation
Word Usage
"Four days after this learned 'lucubration' the voice of the warm-hearted magistrate speaks in a reminder of the prevailing abject misery of the London poor who “in the most miserable lingering Manner do daily perish for Want in this Metropolis.”"