Scrabble Word OPERCULUM
Definition of OPERCULUM:
- a covering flap in plants, pl OPERCULA or OPERCULUMS [n OPERCULUMS or OPERCULA]
- A lidlike structure of the spore-containing capsule of a moss
- A secreted plate that serves to close the aperture of a gastropod mollusk's shell when the animal is retracted
- A structure that closes or covers an aperture, in particular
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