from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The study of nonlinguistic bodily movements, such as gestures and facial expressions, as a systematic mode of communication.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Non-verbal communication by means of gestures, and/or other body movement.
From Greek kīnēsis, movement; see kinesis.(American Heritage® Dictionary of the English Language, Fourth Edition)