The Collaborative International Dictionary of English v.0.48:

Joiner \Join"er\, n.
   1. One who, or that which, joins.
      [1913 Webster]

   2. One whose occupation is to construct articles by joining
      pieces of wood; a mechanic who does the woodwork (as
      doors, stairs, etc.) necessary for the finishing of
      buildings. "One Snug, the joiner." --Shak.
      [1913 Webster]

   3. A wood-working machine, for sawing, plaining, mortising,
      tenoning, grooving, etc.

   Syn: See Carpenter.
        [1913 Webster]

WordNet (r) 3.0 (2006):

joiner
    n 1: a person who likes to join groups
    2: a woodworker whose work involves making things by joining
       pieces of wood

Moby Thesaurus II by Grady Ward, 1.0:

44 Moby Thesaurus words for "joiner":
   Greek, affiliate, associate, belonger, bon vivant, brother,
   card-carrier, card-carrying member, cardholder, charter member,
   clubber, clubman, clubwoman, committeeman, comrade, conventioneer,
   conventioner, conventionist, dues-paying member, enlistee,
   enrollee, excellent companion, fellow, fraternity man,
   good company, good mixer, guildsman, honorary member, initiate,
   insider, life member, man-about-town, member, mixer,
   nightclub habitue, one of us, playboy, pleasant company, pledge,
   sister, social lion, socius, sorority girl, sorority woman



U.S. Gazetteer Places (2000):

Joiner, AR -- U.S. city in Arkansas
   Population (2000):    540
   Housing Units (2000): 223
   Land area (2000):     0.290323 sq. miles (0.751932 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.290323 sq. miles (0.751932 sq. km)
   FIPS code:            35650
   Located within:       Arkansas (AR), FIPS 05
   Location:             35.507345 N, 90.150245 W
   ZIP Codes (1990):     72350
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Joiner, AR
    Joiner