convallia Save Lewis & Short Gaffiot 2016 Du Cange convallĭa, ĭum, n., v. convallis. convallĭa, ĭum, n. pl. (convallis), vallées : Prud. Perist. 10, 331 ; Acr. Hor. Ep. 1, 16, 1. CONVALLIA, Convallia loca, Convalles, apud Agrimensores.