'Littorina' definitions:
Definition of 'Littorina'
From: WordNet
noun
Type genus of the family Littorinidae: periwinkles [syn: Littorina, genus Littorina]
Definition of 'Littorina'
From: GCIDE
- Littorina \Lit"to*ri"na\, n. [NL. See Littoral.] (Zool.) A genus of small pectinibranch mollusks, having thick spiral shells, abundant between tides on nearly all rocky seacoasts. They feed on seaweeds. The common periwinkle is a well-known example. See Periwinkle. [1913 Webster]