'American Sign Language' definitions:

Definition of 'American sign language'

From: WordNet
noun
The sign language used in the United States [syn: ASL, American sign language]

Definition of 'American Sign Language'

From: GCIDE
  • sign language \sign" lang`uage\ (s[imac]n" l[a^]ng`w[asl]j), n. A form of language for communicating by use of gestures made by the hands, rather than by speech. It includes alphabets made by hand gestures, as well as proper languages formed from signs. Among the latter is the American Sign Language (ASL), used by the deaf. See also dactylology. [PJC]