Merriam-Webster's Collegiate® Dictionary, 11th Edition
SQUAT
I. verb (squatted; squatting) see: cache
Date: 15th century
transitive verb to cause (oneself) to crouch or sit on the ground, to occupy as a squatter , intransitive verb to crouch close to the ground as if to escape observation , to assume or maintain a position in which the body is supported on the feet and the knees are bent so that the buttocks rest on or near the heels, to be or become a squatter,
II. adjective (squatter; squattest)
Date: 15th century
sitting with the haunches close above the heels,
2. low to the ground, marked by disproportionate shortness or thickness, squatly adverb squatness noun
III. noun
Date: 1580
1. the act of squatting, the posture of one that squats,
2. a place where one squats, the lair of a small animal , a lift in which a standing weight lifter drops to a squatting position and then rises to an upright position while holding a barbell on the shoulders, an empty house or building that is occupied by squatters, diddly-squat