n. [ F. orgasme; cf. Gr. 'orgasmo`s a kneading, softening, prob. confused with 'orga^n to swell, especially with lust; to feel an ardent desire. ] (Physiol.) Eager or immoderate excitement or action; the state of turgescence of any organ; erethism. [ 1913 Webster ]
2.Especially: The peak of the physical pleasurable sexual excitement caused by stimulation of the sexual organs, as in intercourse; in the male, it is usually accompanied by ejaculation. [ 1913 Webster +PJC ]
3.Hence: An eruption of intense, uncontrolled excitement; -- used of groups and individuals. [ PJC ]