singleton

from WordNet (r) 3.0 (2006)

singleton
    n 1: a single object (as distinguished from a pair)
    2: a set containing a single member
    3: the playing card that is the only card in a suit held in a
       bridge hand as initially dealt

from The Collaborative International Dictionary of English v.0.48

Singleton \Sin"gle*ton\, n.
   In certain games at cards, as whist, a single card of any
   suit held at the deal by a player; as, to lead a singleton.
   [1913 Webster]

from U.S. Gazetteer (1990)

Singleton, TX
  Zip code(s): 77831

from Moby Thesaurus II by Grady Ward, 1.0

45 Moby Thesaurus words for "singleton":
      ace, article, best bower, bower, cards, clubs, deck, deuce,
      diamonds, dummy, entity, face cards, flush, full house, hand,
      hearts, individual, integer, item, jack, joker, king, knave,
      left bower, module, pack, pair, person, persona, picture cards,
      playing cards, point, queen, round, royal flush, rubber, ruff,
      single, soul, spades, straight, trey, trick, trump, unit

[email protected]