sign language 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.
... had counted one hundred and fifteen years. Her eyes brightened, and she fronted away to the main range to a towering crag of granite, facing the north, where Bull Elk Canyon empties into the Big Horn. She held her withered arm high above her head and said in sign language: ... — The Sheep Eaters • William Alonzo Allen
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