Chin

1. a member of a people of south-western Burma (Myanmar) and neighbouring parts of India and Bangladesh.
2. the Tibeto-Burman language of the Chin, with about 800,000 speakers.

adjective

relating to the Chin or their language.

from Burmese, ‘hill man’.

1. the protruding part of the face below the mouth, formed by the apex of the lower jaw.

   grey stubble covered his cheeks and chin

1. hit or punch (someone) on the chin.

   he looked about ready to chin someone

2. draw one's body up so that one's chin is level with or above (a horizontal bar) with one's feet off the ground, as an exercise.

   each boy must chin a bar four times

Old English cin, cinn, of Germanic origin; related to Dutch kin, from an Indo-European root shared by Latin gena ‘cheek’ and Greek genus ‘jaw’.