U / ulmus
noun

ulmus

gen. ulmi · gender feminine · decl. 2nd
an elm; elm-tree
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.—
the Acheron of elm-rods; Falernian vines; Falernian wine by extension
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.