| a visual-gesture language, having its own semantic and syntactic structure, used by deaf people in the U.S. and English-speaking parts of Canada. Abbreviation: ASL |
| American Sign Language n. Abbr. ASL The primary sign language used by deaf and hearing-impaired people in the United States and Canada, devised in part by Thomas Hopkins Gallaudet on the basis of sign language in France. Also called Ameslan. |
Am·es·lan (ām'ĭ-slān') n. See American Sign Language. |
| Ameslan American Sign Language |