Sand consisting mainly of fragments of shells, and often containing a small proportion of organic matter.

(US) A road with a bed or other layer made from shells.

A village in the Rural Municipality of Spiritwood, Saskatchewan, Canada. / A city, the county seat of Washburn County, Wisconsin, United States.

(zoology) The sac in which the shell of a mollusc is secreted during development; (now especially) the fold of mantle in which a cephalopod secretes its pen or gladius.

Synonym of helmet snail

A member of the genus Conus.

(historical) A cockleshell used as a sign that one had visited the Holy Land.

plural of shell road

A bivalve shell, or its inhabitant, of the genus Pholas, and allied genera.

Any of various species of marine bivalve shells formerly belonging to the no longer accepted genus Avicula, now a synonym of Pteria, with species assigned to several genera, in which the hinge border projects like a wing.