lū̆crātīvus, a, um, adj. [lucror], gaining, attended with gain.
I In gen., gainful, profitable, lucrative (rare but class.): apricatio in illo lucrativo sole, Cic. Att. 7, 11, 1 B. and K.: opera, Quint. 10, 7, 27; Spald. N. cr. : lucrativa in tantis negotiis tempora, Front. ad Anton. Ep. 2 Mai.: potu, Ambros. in Luc. 2, § 72.—
II In partic., in jurid. Lat.: res lucrativae, things bequeathed or given to a person (because the acquisition is pure gain, without payment), Paul. Sent. 5, 11, 5; Cod. Just. 10, 35, 1: ex causa lucrativa habere (acquirere) aliquid, to receive something by bequest or as a gift , Dig. 31, 1, 87 pr.; 40, 1, 4: ex causa lucrativa (fundus) meus factus est, Paul. Sent. 2, 17, 8; so, lucrativa possessio, Gai. Inst. 2, 56; Dig. 29, 4, 2: lucrativa usucapio, Gai. Inst. 2, 60: lucrativa acquisitio, Dig. 44, 4, 4.