manual alphabet

from The American Heritage® Dictionary of the English Language, 4th Edition

• n. An alphabet used for communication by hearing-impaired people in which finger positions represent the letters.

from Wiktionary, Creative Commons Attribution/Share-Alike License

• n. An alphabet whose letters are represented by positions of the hand and fingers.

from the GNU version of the Collaborative International Dictionary of English

• n. An alphabet of signs made by movement of the hands, used by the deaf; in it letters are represented by finger positions. See dactylology.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• n. an alphabet used by the deaf; letters are represented by finger positions