noun🔗ShareThe principal opercular bone or operculum of fishes."The biologist carefully examined the opercular of the goldfish to understand its respiratory system. "fishanatomyorganbiologyanimalpartChat with AIVocabulary GamePractice Reading
adjective🔗ShareOf or pertaining to the operculum."The fish's opercular flap protected its gills. "anatomybiologyorganismpartanimalChat with AIVocabulary GamePractice Reading