(US) A discount or bargain.

A bamboo shark, of the family Hemiscylliidae found around northern Australia; Hemiscyllium trispeculare.

(ecology) Any species of organism that is vulnerable to extinction in the near future

A North American freshwater game fish (Salvelinus fontinalis); the brook trout.

(ecology) A species that exerts a large, stabilizing influence throughout an ecological community, despite its relatively small numerical abundance.

(physics) The volume of unit mass of a substance; the reciprocal of its density

(law) Damages that can be quantified precisely, including such things as plaintiff's medical expenses, lost wages, and similar out-of-pocket costs (as contrasted with general damages, such as pain and suffering, which must be estimated).

(informal) The Spectator, a British current-affairs magazine.

(computing, colloquial, chiefly UK) A Sinclair ZX Spectrum computer.

plural of special effect