sign-language

sign language

noun
1.
Also called sign. any of several visual-gestural systems of communication, especially employing manual gestures, as used among deaf people.
2.
any means of communication, as between speakers of different languages, using gestures.

Origin:
1840–50

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
sign language
 
n
1.  another word for signing
2.  any system of communication by manual signs or gestures

Collins English Dictionary - Complete & Unabridged 10th Edition
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