gesture in WordNet English dictionary

1. show, express or direct through movement
   "He gestured his desire to leave"
   gesticulate  gesture  motion 
   

1. motion of hands or body to emphasize or help to express a thought or feeling
   gesture 
   
2. something done as an indication of intention
   "a political gesture"; "a gesture of defiance"
   gesture 
   
3. the use of movements (especially of the hands) to communicate familiar or prearranged signals
   gesture  motion