hypobranchial: Meaning and Definition of

hy•po•bran•chi•al

Pronunciation: (hī"pu-brang'kē-ul), [key]
— adj. Zool.
  1. situated below the gills or beneath the branchial arches.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.