operculum

pronunciation

How to pronounce operculum in British English: UK [əʊ'pɜ:kjʊləm]word uk audio image

How to pronounce operculum in American English: US [oʊ'pɜkjʊləm] word us audio image

  • Noun:
    a hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted