A motion, an action, or a gesture by which a thought is expressed, or a command or a wish made known.

Hence, one of the gestures of pantomime, or of a language of a signs such as those used by the North American Indians, or those used by the deaf and dumb.

A motion or gesture by which a thought, wish or command is made known; a signal; a meaningful unit of language (e.g., a word); a mark with a conventional meaning used to replace or supplement words; something that indicates a fact, condition, etc. that is not immediately or outwardly observable; an action or gesture intended to convey information, a command, etc..

a gesture that is part of a sign language

communicate silently and non-verbally by signals or signs; "He signed his disapproval with a dismissive hand gesture"; "The diner signaled the waiters to bring the menu"

communicate in sign language; "I don't know how to sign, so I could not communicate with my deaf cousin"

used of the language of the deaf

a gesture or movement that conveys a concept

an action or gesture made with your hands, face and body