Chirology
Pronunciation : Chi*rol"o*gy
Part of Speech : n.
Etymology : [Gr. -logy.]
Definition : Defn: The art or practice of using the manual alphabet or of communicating thoughts by sings made by the hands and fingers; a substitute for spoken or written language in intercourse with the deaf and dumb. See Dactylalogy.
Source : Webster's Unabridged Dictionary, 1913