chin

noun

• the protruding part of the face below the mouth, formed by the apex of the lower jaw: grey stubble covered his cheeks and chin

verb

• 1 informal hit or punch (someone) on the chin: he looked about ready to chin someone

• 2draw 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