The Collaborative International Dictionary of English v.0.48:

Haggle \Hag"gle\ (h[a^]g"g'l), v. t. [imp. & p. p. Haggled
   (-g'ld); p. pr. & vb. n. Haggling (-gl[i^]ng).] [Freq. of
   Scot. hag, E. hack. See Hack to cut.]
   To cut roughly or hack; to cut into small pieces; to notch or
   cut in an unskillful manner; to make rough or mangle by
   cutting; as, a boy haggles a stick of wood.
   [1913 Webster]

         Suffolk first died, and York, all haggled o'er,
         Comes to him, where in gore he lay insteeped. --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Haggle \Hag"gle\, v. i.
   To be difficult in bargaining; to stick at small matters; to
   chaffer; to higgle.
   [1913 Webster]

         Royalty and science never haggled about the value of
         blood.                                   --Walpole.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Haggle \Hag"gle\, n.
   The act or process of haggling. --Carlyle.
   [1913 Webster]

WordNet (r) 3.0 (2006):

haggle
    n 1: an instance of intense argument (as in bargaining) [syn:
         haggle, haggling, wrangle, wrangling]
    v 1: wrangle (over a price, terms of an agreement, etc.); "Let's
         not haggle over a few dollars" [syn: haggle, higgle,
         chaffer, huckster]

Moby Thesaurus II by Grady Ward, 1.0:

39 Moby Thesaurus words for "haggle":
   bargain, bargaining, barter, beat down, bicker, bid, bid for,
   cavil, chaffer, chaffering, cheapen, collective bargaining,
   coming to terms, deal, dicker, dickering, dispute, drive a bargain,
   hack, hackle, haggling, higgle, higgling, horse-trade, huckster,
   jew down, negotiate, negotiation, outbid, package bargaining,
   palter, pattern bargaining, quibble, slash, squabble, stickle,
   trade, underbid, wrangle