If you gesture, you use movements of your hands or head in order to tell someone something or draw their attention to something. I gestured towards the boathouse, and he looked inside He gestures, gesticulates, and moves with the grace of a dancer. to move your hand, arm, or head to tell someone something, or show them what you mean gesture to/towards/at
A gesture is something that you say or do in order to express your attitude or intentions, often something that you know will not have much effect. He questioned the government's commitment to peace and called on it to make a gesture of good will
A mannerism that might suggest a call, lead, play, or plan of play, and governed by the Laws of Contract Bridge See Law 16
motion of hands or body to emphasize or help to express a thought or feeling something done as an indication of intention; "a political gesture"; "a gesture of defiance"