The Collaborative International Dictionary
Opercular
Opercular \O*per"cu*lar\, a. Of, pertaining to, or like, an operculum.
Opercular
Opercular \O*per"cu*lar\, n. (Anat.) The principal opercular bone or operculum of fishes.
Wiktionary
opercular
a. Of or pertaining to the operculum. n. (context anatomy English) The principal opercular bone or operculum of fishes.
Usage examples of "opercular".
The opercular valves of sessile cirripedes (rock barnacles) are, in every sense of the word, very important structures, and they differ extremely little even in different genera.