[1] : The Collaborative International Dictionary of English v.0.48

spotter \spot"ter\ spo^t"t~er, n.
   one who spots.
   1913 webster

[2] : WordNet (r) 2.0

spotter
     n 1: a worker employed at a dry-cleaning establishment to remove
          spots
     2: a worker employed to apply spots as markers or identifiers
     3: a person employed to watch for something to happen syn: lookout,
         lookout man, sentinel, sentry, watch, scout, picket
     4: someone who is the first to observe something syn: finder,
         discoverer
see also:
lookout lookout man sentinel sentry watch scout 
picket finder discoverer 

[3] : Moby Thesaurus II by Grady Ward, 1.0

50 moby thesaurus words for "spotter":
   argus, cia man, charley, airplane spotter, beagle,
   cloak-and-dagger operative, counterintelligence agent, counterspy,
   dick, double agent, espionage agent, eye, fire patrolman,
   fire warden, fireguard, flatfoot, forward observer, gumshoe,
   gumshoe man, hawkshaw, inside man, intelligence agent, lookout,
   lookout man, military-intelligence man, naval-intelligence man,
   night watchman, operative, patrol, patroller, patrolman, picket,
   private eye, reconnoiterer, roundsman, scout, secret agent,
   sentinel, sentry, skip tracer, sleuthhound, spy, spy-catcher, tec,
   undercover man, vedette, watch, watcher, watchkeeper, watchman

Spotter >> S Words
Spotter, definition of term: Spotter
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