The Collaborative International Dictionary of English v.0.48:

Chapman \Chap"man\, n.; pl. Chapmen. [AS. ce['a]pman; ce['a]p
   trade + man man; akin to D. koopman, Sw. k["o]pman, Dan.
   ki["o]pmand, G. kaufmann.f. Chap to cheapen, and see
   Cheap.]
   1. One who buys and sells; a merchant; a buyer or a seller.
      [Obs.]
      [1913 Webster]

            The word of life is a quick commodity, and ought
            not, as a drug to be obtruded on those chapmen who
            are unwilling to buy it.              --T. Fuller.
      [1913 Webster]

   2. A peddler; a hawker.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Chapman
    n 1: United States pioneer who planted apple trees as he
         traveled (1774-1845) [syn: Chapman, John Chapman,
         Johnny Appleseed]
    2: archaic term for an itinerant peddler

Bouvier's Law Dictionary, Revised 6th Ed (1856):

CHAPMAN. One whose business is to buy and sell goods or other things. 2 Bl.
Com. 476.



U.S. Gazetteer Places (2000):

Chapman, NE -- U.S. village in Nebraska
   Population (2000):    341
   Housing Units (2000): 144
   Land area (2000):     0.448954 sq. miles (1.162786 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.448954 sq. miles (1.162786 sq. km)
   FIPS code:            08780
   Located within:       Nebraska (NE), FIPS 31
   Location:             41.022875 N, 98.159990 W
   ZIP Codes (1990):     68827
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Chapman, NE
    Chapman


U.S. Gazetteer Places (2000):

Chapman, PA -- U.S. borough in Pennsylvania
   Population (2000):    234
   Housing Units (2000): 91
   Land area (2000):     0.377379 sq. miles (0.977407 sq. km)
   Water area (2000):    0.009717 sq. miles (0.025167 sq. km)
   Total area (2000):    0.387096 sq. miles (1.002574 sq. km)
   FIPS code:            12656
   Located within:       Pennsylvania (PA), FIPS 42
   Location:             40.761567 N, 75.404270 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Chapman, PA
    Chapman


U.S. Gazetteer Places (2000):

Chapman, KS -- U.S. city in Kansas
   Population (2000):    1241
   Housing Units (2000): 534
   Land area (2000):     0.762558 sq. miles (1.975017 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.762558 sq. miles (1.975017 sq. km)
   FIPS code:            12550
   Located within:       Kansas (KS), FIPS 20
   Location:             38.971772 N, 97.021791 W
   ZIP Codes (1990):     67431
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Chapman, KS
    Chapman