Bible Dictionaries
Lucubration

Webster's Dictionary

(1):

(n.) That which is composed by night; that which is produced by meditation in retirement; hence (loosely) any literary composition.

(2):

(n.) The act of lucubrating, or studying by candlelight; nocturnal study; meditation.

Bibliography Information
Webster, Noah. Entry for 'Lucubration'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​l/lucubration.html. 1828.