Dictionary entry

Littorina

Webster's Dictionary 1913

‖Lit″to‐ri″na (?), n. [NL. See Littoral.] (Zoöl.) 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.