D defs.my
Entry 1 sense Webster, 1913

Cephalata

· Ceph·a·la·ta · IPA
01 n. pl. A large division of Mollusca, including all except the bivalves; -- so called because the head is distinctly developed. See Illustration in…
  1. 1.
    A large division of Mollusca, including all except the bivalves; -- so called because the head is distinctly developed. See Illustration in Appendix.(Zool.)