operculated

/oʊˈpɜːrkjəleɪtɪd/
adjective
  1. Having a lid or cover that opens and closes, like a small door or flap.
    • The operculated shell of the snail helps protect it from predators.
    • Many operculated marine snails have a hard plate that seals the shell opening.
    • Botanists studied the operculated capsule of the moss under a microscope.
Synonyms
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