HyperDic: keyhole_limpet

English > 1 sense of the expression *keyhole limpet*:
NOUN	animal	keyhole limpet, Fissurella apertura, Diodora apertura	marine limpet having a conical shell with an opening at the apex

English > *keyhole limpet*: 1 sense > noun 1, animal
Meaning	marine limpet having a conical shell with an opening at the apex.
Synonyms	Fissurella apertura, Diodora apertura
Member of	Fissurella, genus Fissurella	type genus of the family Fissurellidae
Broader	limpet	Any of various usually marine gastropods with low conical shells