'Fissurella' definitions:
Definition of 'Fissurella'
From: WordNet
noun
Type genus of the family Fissurellidae: keyhole limpets [syn: Fissurella, genus Fissurella]
Definition of 'Fissurella'
From: GCIDE
- Fissurella \Fis`su*rel"la\, n. [NL., dim. of L. fissura a fissure.] (Zool.) A genus of marine gastropod mollusks, having a conical or limpetlike shell, with an opening at the apex; -- called also keyhole limpet. [1913 Webster]