Alternative form of tortoiseshell

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

(obsolete) A game played on a billiard table, a variation of pool.

(informal, transitive, intransitive) To pay money, to disburse; especially, to pay a great deal of money.

(chemistry) the outermost shell of electrons in an atom; these electrons take part in bonding with other atoms

Any spiral marine shell of the genus Persona (now Distorsio), having a curiously twisted aperture.

One of the sessile cirripeds; a barnacle of the genus Balanus.

(chiefly UK) A lightweight tracksuit consisting of a zip-front jacket and matching elasticated trousers, each having an outer nylon shell, often bearing panels and flashes of different colours, and inner cotton lining; popular in the late 1980s and early 1990s both as sportswear and as general leisurewear.

(computing) A prewritten list of commands, and perhaps other control information, to be executed (interpreted) by a shell or other command interpreter.

Any of various molluscs, of the class Scaphopoda, that have curved, tapering shells and a spade-like foot