(physics, figuratively) Any half of a roughly spherical-like object; any dome-shaped object.

(rare, colloquial, especially with "on the") Inexpensive; not overpriced.

A method of casting metal used mainly for small pieces requiring relatively high accuracy.

(biology, of the embryo in an egg) That has partially developed but died without hatching.

Alternative spelling of ear shell

An abalone or its shell.

(dated) Stunned or mentally unbalanced by prolonged stress such as experienced in combat or under fire (shell-fire); suffering from post-traumatic stress disorder.

simple past tense and past participle of shell shock

Alternative form of shell-shocked

To stun or debilitate as by a shock.