convallia Save Could not find convallibus in Logeion dictionaries. convallibus neuter dative plural, neuter ablative plural of convallia convallibus feminine ablative plural, feminine dative plural of convallis See convallibus in Morpho 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.