Definitions for "Sign language"
a system of gestures used as alternatives to spoken and written communication.
A method of communicating using hand gestures. Individuals with a hearing loss or impairment often use this form of language.
(sign lanĀ·guage) NOUN: A language that uses a system of visual hand gestures facial expressions, and other body movements as the means of communication, especially among deaf people. It is the third most commonly used language in the United States.