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Definition of chink. 1 : a small cleft, slit, or fissure a chink in the fence. 2 : a weak spot that may leave one vulnerable his lawyers found a chink in the law. 3 : a narrow beam of light shining through a chink.
The chin-up (also known as a chin or chinup) is a strength training exercise. People frequently do this exercise with the intention of strengthening muscles such as the latissimus dorsi and biceps, which extend the shoulder and flex the elbow, respectively. It is a form of pull-up in which the range of motion is established in relation to a person's chin.