Sign language is movements of your hands and arms used to communicate. There are several official systems of sign language, used for example by deaf people. Movements are also sometimes invented by people when they want to communicate with someone who does not speak the same language.
Her son used sign language to tell her what happened.
sign language in British English
noun
1. another word for signing
2.
any system of communication by manual signs or gestures
sign language in American English
noun
1. Also called: sign
any of several visual-gestural systems of communication, esp. employing manual gestures, as used among deaf people
2.
any means of communication, as between speakers of different languages, using gestures
Word origin
[1840–50]
Examples of 'sign language' in a sentence
sign language
She adores people and knows sign language.
Times, Sunday Times (2016)
Below are some other examples of continental sign language that may also offend.
Times, Sunday Times (2011)
In other languages
sign language
British English: sign language /saɪn ˈlæŋɡwɪdʒ/ NOUN
Sign language is movements of your hands and arms used to communicate. There are several official systems of sign language, used, for example, by deaf people.
Her son used sign language to tell her what happened.