Definitions for kinesicskɪˈni sɪks, -zɪks, kaɪ-
Random House Webster's College Dictionary
ki•ne•sics*kɪˈni sɪks, -zɪks, kaɪ-(n.)
the study of body movements, gestures, facial expressions, etc., as a means of communication.
* (used with a sing. v.).
Origin of kinesics:
1950–55; < Gk kinēs(is) (see kinesis ) + -ics
Non-verbal communication by means of gestures, and/or other body movement.
Origin: * From Greek knsis (movement)
U.S. National Library of Medicine
Systematic study of the body and the use of its static and dynamic position as a means of communication.