The Collaborative International Dictionary of English v.0.48:

Gargle \Gar"gle\, n. (Arch.)
   See Gargoyle.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Gargle \Gar"gle\, v. t. [imp. & p. p. Garggled, p. pr. & vb.
   n. Gargling (?).] [F. gargouiller to dabble, paddle,
   gargle. Cf. 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.
      [1913 Webster]

   2. To warble; to sing as if gargling [Obs.] --Waller.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Gargle \Gar"gle\, n.
   A liquid, as water or some medicated preparation, used to
   cleanse the mouth and throat, especially for a medical
   effect.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Gargoyle \Gar"goyle\, n. [OE. garguilie, gargouille, cf. Sp.
   g['a]rgola, prob. fr. the same source as F. gorge throat,
   influenced by L. gargarizare to gargle. See Gorge and cf.
   Gargle, Gargarize.] (Arch.)
   A spout projecting from the roof gutter of a building, often
   carved grotesquely. [Written also gargle, gargyle, and
   gurgoyle.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

gargle
    n 1: a medicated solution used for gargling and rinsing the
         mouth [syn: gargle, mouthwash]
    2: the sound produced while gargling
    v 1: utter with gargling or burbling sounds
    2: rinse one's mouth and throat with mouthwash; "gargle with
       this liquid" [syn: gargle, rinse]