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The Collaborative International Dictionary
Opisthobranchiate

Opisthobranchiate \O*pis`tho*bran"chi*ate\, a. (Zo["o]l.) Of or pertaining to the Opisthobranchiata. -- n. One of the Opisthobranchiata.

Wiktionary
opisthobranchiate

a. (context zoology English) Of or pertaining to the Opisthobranchiata. n. (context zoology English) One of the Opisthobranchiata.