puhekieltä A spasm or sudden contraction. (defdate)
1794, (w), Zoonomia:
Hence simple fevers are of two kinds; first, the febris irritativa, or fever with strong pulse, which consists of a previous torpor of the heart, arteries, and capillaries, and a succeeding orgasm of those vessels.
A rush of sexual excitement; now specifically, the climax or peak of sexualpleasure, which occurs during sexual activity and which in males may include ejaculation and in females vaginal contractions. (defdate)