Merriam-Webster's Collegiate® Dictionary, 11th Edition
VOMIT
I. noun
Etymology: Middle English, from Anglo-French vomite, from Latin vomitus, from vomere to vomit; akin to Old Norse vāma seasickness, Greek emein to vomit
Date: 14th century
an act or instance of disgorging the contents of the stomach through the mouth, emetic ,
II. verb
Date: 15th century
intransitive verb to disgorge the stomach contents, to spew forth ; belch , gush , transitive verb to disgorge (the contents of the stomach) through the mouth, to eject violently or abundantly ; spew , to cause to vomit, vomiter noun