Vomit is throw-up, or stomach contents that have been ejected through the mouth.(noun)
When you get food poisoning from bad beans and you throw up the remainder of the beans in your stomach, the stuff from your stomach that is ejected through your mouth is an example of vomit.
To vomit is to eject the contents of the stomach through the mouth.(verb)
When you eat bad food and get food poisoning and the contents of your stomach come up through your mouth and are ejected, this is an example of a time when you vomit.
See vomit in Webster's New World College Dictionary
Origin: ME < L vomitus, a discharging, vomiting < pp. of vomere, to discharge, vomit < IE base *wemē- > Gr emein, to vomit, OE wamm, stain, disgrace
See vomit in American Heritage Dictionary 4
verb vom·it·ed, vom·it·ing, vom·its verb, intransitive
Origin: Middle English vomiten
Origin: , from Latin vomitāre
Origin: , frequentative of vomere; see wemə- in Indo-European roots.
Learn more about vomit