lucubratory
Lu"cu*bra*to*ry, a. Etym: [L. lucubratorius.] Defn: Composed by candlelight, or by night; of or pertaining to night studies; laborious or painstaking. Pope.
Lu"cu*bra*to*ry, a. Etym: [L. lucubratorius.] Defn: Composed by candlelight, or by night; of or pertaining to night studies; laborious or painstaking. Pope.