lūcū^brātĭuncŭla

ae, f.

lucubratio

I. a working by night, sitting up at night (post-Aug.).
I. Lit., Marc. Aur. ap. Front. ad Ep. M. Caes. 1, 3 Mai.—
II. Transf., night-work, lucubration, Gell. N. A. praef. § 14.
Lewis & Short
A Latin Dictionary, 1879
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