Lewis Short
(adjective) : trĭfer, fĕra, fĕrum, ter-fero
* Thricebearing, that bears fruit three times a year: ficus,Col. 5, 10, 11; cf.: ficus trifero proventu,Plin. 15, 18, 19, § 71: vites,id. 16, 27, 50, § 114.
Charlton T. Lewis, Charles Short, A Latin Dictionary