(1):

(v. t.) To warble; to sing as if gargling

(2):

(n.) A liquid, as water or some medicated preparation, used to cleanse the mouth and throat, especially for a medical effect.

(3):

(v. t.) To wash or rinse, as the mouth or throat, particular the latter, agitating the liquid (water or a medicinal preparation) by an expulsion of air from the lungs.

(4):

(n.) See Gargoyle.