ĕqua, ae, f. [equus],
a mare , Varr. R. R. 2, 7, 4; Cic. Verr. 2, 1, 10; Verg. G. 1, 59; 3, 266; Hor. C. 2, 16, 35 et saep.— Dat. and abl. plur. equis, Varr. R. R. 2, 1, 19; Col. 6, 37, 8; Plin. 11, 41, 96, § 237; 8, 42, 64, § 156; Dig. 50, 13, 2; also, equabus, Pall. Mart. 13, 1 and 5; Serv. Verg. G. 3, 268; Cod. Just. 11, 75, 1.