Lewis Short
conserva (noun F) : conservus
* A (female) fellow-slave.
* Prop., Plaut. Cas. 1, 20; id. Mil. 4, 8, 30; Ter. Eun. 2, 3, 75; Varr. R. R. 1, 17, 5 al.; dat. plur. conservabus, Dig. 33, 7, 27.
* Transf. to inanimate things: nolo ego foris conservas Meas a te verberarier,Plaut. As. 2, 3, 6: duraque conservae ligna, valete, fores,Ov. Am. 1, 6, 74.
Charlton T. Lewis, Charles Short, A Latin Dictionary