D defs.my
Entry 1 sense Webster, 1913

Heterocercy

· Het·er·o·cer·cy · IPA
01 n. Unequal development of the tail lobes of fishes; the possession of a heterocercal tail.
  1. 1.
    Unequal development of the tail lobes of fishes; the possession of a heterocercal tail.(Anat.)