n. The act of bending.n. A bending; a part bent; a curve.n. A turn; a cast; a motion or glance.n. In grammar, the variation of the form of words, as by declension or conjugation. See inflection.n. In anatomy, that motion of a joint which brings the connected parts continually nearer together: specifically said of the action of any flexor muscle: opposed to extension.n. In geometry, same as flexure, 1.