mt2k@perlmonk:~$ dict guesser
2 definitions found

From Webster's Revised Unabridged Dictionary (1913) [web1913]:

  Guesser \Guess"er\, n.
     One who guesses; one who forms or gives an opinion without
     means of knowing.

From WordNet (r) 1.7 [wn]:

  guesser
       n : a person who guesses
mt2k@perlmonk:~$
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