(mainly Austral) a watch for sharks kept by an aircraft flying over beaches used by swimmers
noun 1. any tactic used by a corporation to prevent a takeover by a corporate raider.
- Shark siren
noun 1. (mainly Austral) a siren sounded to warn swimmers of the presence of sharks
noun 1. a smooth fabric of acetate or rayon with a dull or chalklike appearance, for apparel. 2. a fine worsted fabric in twill weave, compact in texture and light to medium in weight, for suits. noun 1. a smooth glossy fabric of acetate rayon, used for sportswear, etc
noun 1. any of several remoras, as Echeneis naucrates, usually found attached to sharks. noun 1. an informal name for a remora