1. (n.) A motion of the body or limbs expressive of sentiment or passion; any action or posture intended to express an idea or a passion, or to enforce or emphasize an argument, assertion, or opinion.

2. (n.) Manner of carrying the body; position of the body or limbs; posture.

3. (v. t.) To accompany or illustrate with gesture or action; to gesticulate.

4. (v. i.) To make gestures; to gesticulate.