a used by sailors for heating .
noun, Golf. 1. a shot in which the ball is hit high into the air and with backspin to ensure little roll upon landing, used in approaching the green.
[pich-stohn] /ˈpɪtʃˌstoʊn/ noun 1. a glassy volcanic rock having a resinous luster and resembling hardened pitch. /ˈpɪtʃˌstəʊn/ noun 1. a dark glassy acid volcanic rock similar in composition to granite, usually intruded as dykes, sills, etc
noun 1. (in a gear or rack) an imaginary surface forming a plane (pitch plane) a cylinder (pitch cylinder) or a cone or frustrum (pitch cone) that moves tangentially to a similar surface in a meshing gear so that both surfaces travel at the same speed.
- Pitch wart
pitch wart n. A precancerous keratotic epidermal tumor that is common among individuals who work with pitch and coal tar derivatives.