Definition of: conch

(kongk, konch) noun plural conchs (kongks) or conch·es (kon′chiz)
1. Any of various large marine gastropod mollusks (family Strombidae) having heavy, colorful, spiral shells.
2. The shell of such a mollusk, used to make cameos and other objects and as a crude trumpet.
3. In Roman mythology, such a shell blown as a horn by the Tritons.
4. Archit. A semidome, or the plain concave surface of a dome or vault.
5. U.S. Dial. One of a group of people native to the Florida Keys or the Bahamas. [<L concha <Gk. konchē shell]
CONCH SHELL