(1):

(n.) That which excites vomiting; an emetic.

(2):

(n.) Matter that is vomited; esp., matter ejected from the stomach through the mouth.

(3):

(v. t.) Hence, to eject from any hollow place; to belch forth; to emit; to throw forth; as, volcanoes vomit flame, stones, etc.

(4):

(v. t.) To throw up; to eject from the stomach through the mouth; to disgorge; to puke; to spew out; - often followed by up or out.

(5):

(n.) To eject the contents of the stomach by the mouth; to puke; to spew.