from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. The typical genus of Littorinidæ.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. type genus of the family Littorinidae: periwinkles
Sorry, no etymologies found.
I sent them in search of the shell, and they returned bringing me some living specimens of different shells, chiefly _littorina_ and _cerithium.