ˈsign ˌlanguage BrE AmE noun [uncountable and countable]
a language that uses hand movements instead of spoken words, used by people who cannot hear well
ˈsign ˌlanguage BrE AmE noun [uncountable and countable]
a language that uses hand movements instead of spoken words, used by people who cannot hear well
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012