- communication of thoughts or ideas by means of manual signs and gestures, esp. between two people who have no language in common
- a language used as by the deaf, consisting of a system of signs and gestures
The deaf couple communicate using sign language.
Sign language is defined as a way to communicate using hand gestures and symbols for words or letters of the alphabet, often used by those who are hard-of-hearing.
An example of sign language is the means of communicating used by Helen Keller.
- A language that uses a system of manual, facial, and other body movements as the means of communication, especially among deaf people.
- A method of communication, as between speakers of different languages, that uses hand movements and other gestures.
(countable and uncountable, plural sign languages)
- (countable) One of several natural languages, typically used by the deaf, where the words and phrases consist of hand shapes, motions, positions, and facial expressions.
- (uncountable) The sign language (sense 1) that is used locally or that is mistakenly believed to be the only one.
- (uncountable) Sign languages (sense 1) considered collectively.
- (countable or uncountable) Communication through gestures used when speech is impossible, for example, between monks under a vow of silence or people speaking different languages.