noun
A motion of the limbs or body, especially one made to emphasize speech.
An act or a remark that serves as a formality or as a sign of attitude.
(graphical user interface) A motion made with a pointing device, or on a touchscreen, that is recognised by the system as a command.
(obsolete) The manner of carrying the body; position of the body or limbs; posture.
verb
(intransitive) To make a gesture or gestures.
(transitive) To express (something) by a gesture or gestures.
(transitive) To accompany or illustrate with gesture or action.
(transitive) To express or signal (to someone) by a gesture or gestures (to do something, go somewhere, etc).