1. [n]  motion of hands or body to emphasize or help to express a thought or feeling
2. [n]  something done as an indication of intention; "a political gesture"; "a gesture of defiance"
3. [n]  the use of movements (especially of the hands) to communicate familiar or prearranged signals
4. [v]  show, express or direct through movement; "He gestured his desire to leave"

Gesture
Gesture

more details ...

1. \Ges"ture\, n. [LL. gestura mode of action, fr. L.
   gerere, gestum, to bear, behave, perform, act. See {Gest} a
   deed.]
   1. Manner of carrying the body; position of the body or
      limbs; posture. [Obs.]
            Accubation, or lying down at meals, was a gesture
            used by many nations.                 --Sir T.
                                                  Browne.
   2. A motion of the body or limbs expressive of sentiment or
      passion; any action or posture intended to express an idea
      or a passion, or to enforce or emphasize an argument,
      assertion, or opinion.
            Humble and reverent gestures.         --Hooker.
            Grace was in all her steps, heaven in her eye, In
            every gesture dignity and love.       --Milton.
   

2. \Ges"ture\, v. t. [imp. & p. p. {Gestured}; p. pr. & vb.
   n. {Gesturing}.]
   To accompany or illustrate with gesture or action; to
   gesticulate.
         It is not orderly read, nor gestured as beseemeth.
                                                  --Hooker.
   

3. \Ges"ture\, v. i.
   To make gestures; to gesticulate.
         The players . . . gestured not undecently withal.
                                                  --Holland.