The Collaborative International Dictionary of English v.0.48:

Chaffer \Chaff"er\, n.
   One who chaffs.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Chaffer \Chaf"fer\, n. [OE. chaffare, cheapfare; AS. ce['a]p a
   bargain, price + faru a journey; hence, originally, a going
   to barain, to market. See Cheap, and Fare.]
   Bargaining; merchandise. [Obs.] --Holished.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Chaffer \Chaf"fer\, v. i. [imp. & p. p. Chaffered; p. pr. &
   vb. n. Chaffering.] [OE. chaffaren, fr. chaffare, chapfare,
   cheapfare, a bargaining. See Chaffer, n.]
   [1913 Webster]
   1. To treat or dispute about a purchase; to bargain; to
      haggle or higgle; to negotiate.
      [1913 Webster]

            To chaffer for preferments with his gold. --Dryden.
      [1913 Webster]

   2. To talk much and idly; to chatter. --Trench.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Chaffer \Chaf"fer\, v. t.
   1. To buy or sell; to trade in.
      [1913 Webster]

            He chaffered chairs in which churchmen were set.
                                                  --Spenser.
      [1913 Webster]

   2. To exchange; to bandy, as words. --Spenser.
      [1913 Webster]

WordNet (r) 3.0 (2006):

chaffer
    v 1: wrangle (over a price, terms of an agreement, etc.); "Let's
         not haggle over a few dollars" [syn: haggle, higgle,
         chaffer, huckster]
    2: talk socially without exchanging too much information; "the
       men were sitting in the cafe and shooting the breeze" [syn:
       chew the fat, shoot the breeze, chat, confabulate,
       confab, chitchat, chit-chat, chatter, chaffer,
       natter, gossip, jaw, claver, visit]