operculate

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