(1):

(v. i.) To eject wind from the stomach through the mouth; to eructate.

(2):

(n.) Malt liquor; - vulgarly so called as causing eructation.

(3):

(v. i.) To issue with spasmodic force or noise.

(4):

(n.) The act of belching; also, that which is belched; an eructation.

(5):

(v. i.) To eject violently from within; to cast forth; to emit; to give vent to; to vent.

(6):

(v. i.) To eject or throw up from the stomach with violence; to eruct.