Cĕph'a-loŭs, a.
a. [From Gr. κεφαλή, head.] Having a head; — applied chiefly to a division of mollusks, the Cephalata, which includes the Univalves, &c. Dana.
a. [From Gr. κεφαλή, head.] Having a head; — applied chiefly to a division of mollusks, the Cephalata, which includes the Univalves, &c. Dana.