Lewis & Short

ulmĕus, a, um, adj. [ulmus], of or belonging to an elm-tree, of elm, elm-: frons, Col. 6, 3, 6: cena, Juv. 11, 141: virgae, i. e. rods for whipping with, Plaut. ap. Serv. Verg. A. 1, 478: qui tibi subnectabant rure huc virgas ulmeas, id. As. 2, 2, 74; so, virgidemia, id. Rud. 3, 2, 22: pigmenta, id. Ep. 5, 1, 20; cf.: mihi tibique interminatu’st, nos futuros ulmeos, nisi, etc., that we shall be changed into elm-rods, i. e. shall be soundly scourged, id. As. 2, 2, 96; cf. the foll. art. and ulmus.