Definitions:
a member of a people of south-western burma (myanmar) and neighbouring parts of india and bangladesh.

the tibeto-burman language of the chin, with about 800,000 speakers.

relating to the chin or their language.

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

hit or punch (someone) on the chin

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