| \AM-uh-slan, AM-slan\ | noun 1. American Sign Language. | | Quotes | Some labs have that have ventured into the world of chimpanzee language have taught their animals sign language in the manner of Ameslan. -- , "Chimpanzees can chat using symbolic language," New Scientist, August 24, 1978 | | Origin | | Ameslan is an acronym formed from the first element of each word in American Sign Language. It came into popular usage in the early 1970s. | |