Lewis Short
ulmus (noun F) : (
* Masc., Cat. 62, 54; v.infra), an elm, elm-tree.
* Lit., Plin. 17, 11, 15, § 76; Col. 5, 6; Verg. G. 1, 2; 2, 446; Ov. M. 10, 100; 14, 661; Hor. C. 1, 2, 9; 2, 15, 5; id. Ep. 1, 16, 3; Quint. 8, 3, 8 al.— Poet.: (vitis) conjuncta ulmo marito,Cat. 62, 54.
* Transf.: ulmorum Acheruns, the Acheron of elm-rods, of one who is often beaten, Plaut. Am. 4, 2, 9; cf. ulmitriba: Falernae, i. e. Falernian vines, for Falernian wine, Juv. 6, 150: viduae,without vines,id. 8, 78.
Charlton T. Lewis, Charles Short, A Latin Dictionary