The Collaborative International Dictionary of English v.0.48:

Rinse \Rinse\, n.
   The act of rinsing.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Rinse \Rinse\, v. t. [imp. & p. p. Rinsed; p. pr. & vb. n.
   Rinsing.] [OE., fr. OF. rincer, rimser, reinser,
   ra["i]ncier, F. rincer; of uncertain origin.]
   1. To wash lightly; to cleanse with a second or repeated
      application of water after washing.
      [1913 Webster]

   2. To cleancse by the introduction of water; -- applied
      especially to hollow vessels; as, to rinse a bottle. "Like
      a glass did break i' the rinsing." --Shak.
      [1913 Webster]

WordNet (r) 3.0 (2006):

rinse
    n 1: a liquid preparation used on wet hair to give it a tint
    2: the removal of soap with clean water in the final stage of
       washing [syn: rinse, rinsing]
    3: the act of giving a light tint to the hair
    4: washing lightly without soap
    v 1: wash off soap or remaining dirt [syn: rinse, rinse off]
    2: clean with some chemical process [syn: wash, rinse]
    3: rinse one's mouth and throat with mouthwash; "gargle with
       this liquid" [syn: gargle, rinse]

Moby Thesaurus II by Grady Ward, 1.0:

118 Moby Thesaurus words for "rinse":
   ablution, abstergent, baptize, bath, bathe, bathing, brew,
   cathartic, clean, cleaner, cleaning, cleaning agent, cleaning out,
   cleaning solvent, cleanse, cleanser, cleansing, cleansing cream,
   cold cream, cream, dentifrice, depurant, detergent, diuretic,
   douche, douching, drench, drenching, drouk, dye, elution,
   elutriation, emetic, enema, flood, flush, flush out, flushing,
   flushing out, gargle, highlight, holystone, imbrue, imbue,
   impregnate, infiltrate, infuse, inject, irrigate, irrigation,
   lather, lathering, launder, lavabo, lavage, lavation, lave, laving,
   leach, lixiviate, lotion, macerate, mop, mop up, mopping,
   mopping up, mouthwash, nauseant, percolate, permeate, pumice stone,
   purgative, purge, purifier, rinse out, rinsing, ritually immerse,
   saturate, scour, scouring, scrub, scrub up, scrubbing,
   scrubbing up, seethe, shampoo, shower, sluice, sluice out, soak,
   soap, soaping, sodden, solvent, sop, souse, sponge, sponging,
   steep, swab, swabbing, synthetic detergent, syringe, tint, toivel,
   tooth powder, toothpaste, touch up, tub, wash, wash out, wash up,
   washing, washing up, washout, washup, waterlog, wiping up