The Collaborative International Dictionary of English v.0.48:

Wallow \Wal"low\, n.
   A kind of rolling walk.
   [1913 Webster]

         One taught the toss, and one the new French wallow.
                                                  --Dryden.
   [1913 Webster]

   2. Act of wallowing.
      [Webster 1913 Suppl.]

   3. A place to which an animal comes to wallow; also, the
      depression in the ground made by its wallowing; as, a
      buffalo wallow.
      [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Wallow \Wal"low\, v. i. [imp. & p. p. Wallowed; p. pr. & vb.
   n. Wallowing.] [OE. walwen, AS. wealwian; akin to Goth.
   walwjan (in comp.) to roll, L. volvere; cf. Skr. val to turn.
   [root]147. Cf. Voluble Well, n.]
   [1913 Webster]
   1. To roll one's self about, as in mire; to tumble and roll
      about; to move lazily or heavily in any medium; to
      flounder; as, swine wallow in the mire.
      [1913 Webster]

            I may wallow in the lily beds.        --Shak.
      [1913 Webster]

   2. To live in filth or gross vice; to disport one's self in a
      beastly and unworthy manner.
      [1913 Webster]

            God sees a man wallowing in his native impurity.
                                                  --South.
      [1913 Webster]

   3. To wither; to fade. [Prov. Eng. & Scot.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Wallow \Wal"low\, v. t.
   To roll; esp., to roll in anything defiling or unclean.
   "Wallow thyself in ashes." --Jer. vi. 26.
   [1913 Webster]

WordNet (r) 3.0 (2006):

wallow
    n 1: a puddle where animals go to wallow
    2: an indolent or clumsy rolling about; "a good wallow in the
       water"
    v 1: devote oneself entirely to something; indulge in to an
         immoderate degree, usually with pleasure; "Wallow in
         luxury"; "wallow in your sorrows"
    2: roll around, "pigs were wallowing in the mud" [syn: wallow,
       welter]
    3: rise up as if in waves; "smoke billowed up into the sky"
       [syn: billow, wallow]
    4: be ecstatic with joy [syn: wallow, rejoice, triumph]
    5: delight greatly in; "wallow in your success!"

Moby Thesaurus II by Grady Ward, 1.0:

114 Moby Thesaurus words for "wallow":
   appreciate, baby, bask, baygall, be promiscuous, bend, blunder,
   bog, bottom, bottomland, bottoms, buffalo wallow, careen, career,
   chase women, commit adultery, cower, cringe, crouch, cuddle,
   debauch, delight, dissipate, everglade, falter, fen, fenland,
   flounce, flounder, fornicate, get down, glade, grovel, heave,
   hobbyhorse, hog wallow, holm, humor, hunch, hunch down, indulge,
   labor, lurch, luxuriate, make heavy weather, marais, marish, marsh,
   marshland, meadow, mere, mire, moor, moorland, morass, moss, mud,
   mud flat, nestle, pamper, peat bog, philander, pitch,
   pitch and plunge, pitch and toss, plunge, pound, quagmire,
   quicksand, rake, rear, reel, relish, revel, rock, roll, rollick,
   salt marsh, scend, scrouch down, seethe, sleep around, slob land,
   slough, snuggle, sough, spoil, squat, stagger, stoop, struggle,
   stumble, sump, swale, swamp, swampland, sway, swing, taiga,
   thrash about, toss, toss and tumble, toss and turn, totter, tumble,
   volutation, wallop, wamble, wanton, wash, welter, whore, womanize,
   yaw