lūcū^brātĭo

I. a working by lamp-light, night-work, nocturnal study, lucubration.

I. Lit.: per hiemem lucubratione haec facito, Cato, R. R. 37: lucubrationes detraxi, Cic. Div. 2, 68, 142: ista sunt tota commenticia, vix digna lucubratione anicularum, id. N. D. 1, 34, 94: cannabis lucubrationibus decorticata purgatur, Plin. 19, 9, 56, § 174: est enim lucubratio, quoties ad eam integri ac refecti venimus, optimum secreti genus, Quint. 10, 3, 27: et vigilandae noctes, et fuligo lucubrationum bibenda, id. 11, 3, 23. —

II. Transf., any thing done or composed at night, night-work, lucubration: perire lucubrationem meam nolui, i. e. epistolam noctu scriptam, Cic. Fam. 9, 2, 1.—As title of a work by Bibaculus, Plin. praef. § 24.