Merriam-Webster's Collegiate® Dictionary, 11th Edition
SPEW
I. verb
Etymology: Middle English, from Old English spīwan; akin to Old High German spīwan to spit, Latin spuere, Greek ptyein Date: before 12th century intransitive verb vomit , to come forth in a flood or gush, to ooze out as if under pressure ; exude , transitive verb vomit , to send or cast forth with vigor or violence or in great quantity , spewer noun
II. noun
Date: 15th century
matter that is vomited ; vomit , material that exudes or is extruded