Longman Dictionary of Contemporary English - gesture

~1 n 1 a movement of part of your body, especially your hands or head, to show what you mean or how you feel  (Jim raised his hands in a despairing gesture. | This form of sign language is rich in gesture.) 2 something that you say or do, often something small, to show your feelings or intentions  (It was a kind gesture to offer to drive me home. | a gesture of friendship/goodwill/support etc)  (The miners went on strike too, as a gesture of solidarity with the railway workers.) - gestural adj ~2 v to use a movement of your hand to tell someone something, or show them what you mean + to/towards etc  ("It's somewhere over there." He gestured vaguely at a group of buildings.) gesture for sb to do sth  (The lieutenant gestured for Cook to enter his office.)