Protrusion

[prə'truːʒn] or [pro'truʒn]

(noun.) the act of projecting out from something.

Typed by Jed--From WordNet

(n.) The act of protruding or thrusting forward, or beyond the usual limit.

(n.) The state of being protruded, or thrust forward.

Checker: Marie

SYN:Projection, protuberance, convexity, tongue

ANT:recess, cavity, hollow, concavity, mouth

Inputed by Jon