iumentarius

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

jūmentārĭus, a, um, adj. [jumentum],

of or belonging to draught-cattle (postclass.): mola, worked by draught-cattle , Dig. 33, 7, 26, § 1: contubernium, Ap. Met. 9, 13, 1.