D defs.my
Entry 1 sense Webster, 1913

Polybranchia

· Pol·y·bran·chi·a · IPA
01 n. pl. A division of Nudibranchiata including those which have numerous branchiæ on the back.
  1. 1.
    A division of Nudibranchiata including those which have numerous branchiæ on the back.(Zool.)