ETYM Late Lat. gestura mode of action, from Latin gerere, gestum, to bear, behave, perform, act. Related to Gest a deed.
1. Motion of hands or body to emphasize or help to express a thought or feeling.
2. Something done as an indication of intention; or.
3. The use of movements (especially of the hands) to communicate familiar or prearranged signals; SYN. motion, gesticulation.