v. & n.
v.tr. (vomited, vomiting) 1 (also absol.) eject (matter) from the stomach through the mouth. 2 (of a volcano, chimney, etc.) eject violently, belch forth.
n. 1 matter vomited from the stomach. 2 archaic an emetic. vomiter n.
[ ME ult. f. L vomere vomit- or frequent. L vomitare ]