lucubration

[ loo-kyoo-brey-shuh n ]
/ ˌlu kyʊˈbreɪ ʃən /

noun

laborious work, study, thought, etc., especially at night.
the result of such activity, as a learned speech or dissertation.
Often lucubrations. any literary effort, especially of a pretentious or solemn nature.

Origin of lucubration

1585–95; < Latin lūcubrātiōn- (stem of lūcubrātiō) night-work. See lucubrate, -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lucubration

British Dictionary definitions for lucubration

lucubration
/ (ˌluːkjʊˈbreɪʃən) /

noun

laborious study, esp at night
(often plural) a solemn literary work
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012