Webster's Revised Unabridged Dictionary · 1913

Gargle

Gargle , noun

(Architecture) See Gargoyle.

Gargle , transitive verb

[French gargouiller to dabble, paddle, gargle. Compare Gargoyle, Gurgle.]

1.
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.
2.
To warble; to sing as if gargling [Obsolete] — Waller

Gargle , noun

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