The Collaborative International Dictionary of English v.0.48:

Bathe \Bathe\, v. i.
   1. To bathe one's self; to take a bath or baths. "They bathe
      in summer." --Waller.
      [1913 Webster]

   2. To immerse or cover one's self, as in a bath. "To bathe in
      fiery floods." --Shak. "Bathe in the dimples of her
      cheek." --Lloyd.
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   3. To bask in the sun. [Obs.] --Chaucer.
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The Collaborative International Dictionary of English v.0.48:

Bathe \Bathe\, n.
   The immersion of the body in water; as, to take one's usual
   bathe. --Edin. Rev.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bathe \Bathe\ (b[=a][th]), v. t. [imp. & p. p. Bathed
   (b[=a][th]d); p. pr. & vb. n. Bathing.] [OE. ba[eth]ien,
   AS. ba[eth]ian, fr. b[ae][eth] bath. See 1st Bath, and cf.
   Bay to bathe.]
   1. To wash by immersion, as in a bath; to subject to a bath.
      [1913 Webster]

            Chancing to bathe himself in the River Cydnus.
                                                  --South.
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   2. To lave; to wet. "The lake which bathed the foot of the
      Alban mountain." --T. Arnold.
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   3. To moisten or suffuse with a liquid.
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            And let us bathe our hands in C[ae]sar's blood.
                                                  --Shak.
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   4. To apply water or some liquid medicament to; as, to bathe
      the eye with warm water or with sea water; to bathe one's
      forehead with camphor.
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   5. To surround, or envelop, as water surrounds a person
      immersed. "The rosy shadows bathe me. " --Tennyson. "The
      bright sunshine bathing all the world." --Longfellow.
      [1913 Webster]

WordNet (r) 3.0 (2006):

bathe
    n 1: the act of swimming; "the Englishman said he had a good
         bathe"
    v 1: cleanse the entire body; "bathe daily"
    2: suffuse with or as if with light; "The room was bathed in
       sunlight"
    3: clean one's body by immersion into water; "The child should
       bathe every day" [syn: bathe, bath]

Moby Thesaurus II by Grady Ward, 1.0:

127 Moby Thesaurus words for "bathe":
   Australian crawl, Finnish bath, Japanese bath, Russian bath,
   Swedish bath, Turkish bath, aquaplaning, aquatics, backstroke,
   balneation, bandage, baptize, bath, bathing, breaststroke, brew,
   butterfly, care for, cold shower, crawl, cure, diagnose, dive,
   diving, doctor, dog paddle, douche, douse, drench, drouk, fin,
   fishtail, flapper, flipper, float, floating, flush, flush out,
   flux, gargle, give care to, go in swimming, go in wading, heal,
   hip bath, holystone, hummum, imbrue, imbue, impregnate, infiltrate,
   infuse, inject, irrigate, lap, lather, launder, lave, leach, lip,
   lixiviate, macerate, massage, minister to, mop, mop up, natation,
   needle bath, nurse, operate on, percolate, permeate, physic,
   plaster, plunge bath, poultice, purge, remedy, rinse, rinse out,
   ritually immerse, rub, saturate, sauna, sauna bath, scour, scrub,
   scrub up, seethe, shampoo, shower, shower bath, sidestroke,
   sitz bath, skinny-dip, sluice, sluice out, soak, soap, sodden, sop,
   souse, splint, sponge, sponge bath, steep, strap, surfboarding,
   surfing, swab, sweat bath, swim, swimming, syringe, toivel,
   tread water, treading water, treat, tub, wade, wading, wash,
   wash out, wash up, waterlog, waterskiing, whirlpool bath