lime made by burning the shells of shellfish

A short jacket reaching the hips, once part of military uniforms. / The jacket of a shell suit.

Used other than figuratively or idiomatically: see bag, shell. / A trifle.

plural of pen shell

Any of the Pinnidae, a family of large saltwater clams.

Alternative form of backshell

Synonym of Dyson sphere

plural of Dyson shell

plural of lamp shell

An East Asian plant related to ginger, Alpinia zerumbet, grown for its showy flowers, which are shell-pink on the outside and intensely orange and red on the inside.