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American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
American sign language: a language in which meaning is conveyed by hand gestures and their position in relation to the upper part of the body. Abbreviation: ASL
[C20: from Ame(rican) s(ign) lan(guage)]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Amer′ican Sign′ Lan`guage
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. Abbr.: ASL
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
an acronym for the American Sign Language for the Deaf, a system of communication through gestures and hand signals.See also: Deafness
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.