Any of numerous species of small white polished marine shells of the genus Olivella.

plural of shell sac

A Caribbean gastropod marked with figures resembling music notation.

A sea snail of the genus Charonia

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.