n. The lower extremity of the face below the mouth; the point of the under jaw in man, or a corresponding part in other animals.n. In zoology, the mentum.n. In Rotifera, a ciliated muscular part or process just below the mouth.To talk.To talk to, especially with assurance or impudence.In gymnastics, to lift the weight of the body by the arms on a horizontal bar until the chin is brought over the bar. Also used transitively: as, to chin the bar.An abbreviation of China;Chinese.