Dictionary
o•pis•tho•branch
Pronunciation: (u-pis'thu-brangk"), [key]—
n.
any gastropod mollusk of the order Opisthobranchia, as the sea slugs, sea butterflies, and sea hares, characterized by a vestigial or absent mantle and shell and two pairs of tentacles.
—
adj.
of or pertaining to the opisthobranches.
Also,o•pis•tho•bran•chi•atePronunciation: (u-pis"thu-brang'kē-it, -āt"). [key]Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.