A form of projectile for artillery.

The casing of a pulley block.

A white earthy deposit resulting from the accumulation of fragments of shells.

plural of shell marl

(glaciology, oceanography) Ice which is no longer supported by the water beneath it, and instead has a cavity underneath.

(zoology) A univalve shell whose volutions run in the opposite direction to that of a standard screw thread. / (computing) An interactive command shell initiated from a remote computer.

(computing) The redirection of the shell to a remote service so that input can be entered and output received without being physically present.

Any of multiple bivalves, particularly a bean clam, but sometimes also a tellin or close relative.

A census-designated place in Contra Costa County, California, United States.

Lutraria lutraria, a large marine bivalve mollusc.