spotter meaning and definition

SPOTTER noun

Definition of spotter (noun)

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 keep watch for some anticipated event
   • synonyms: lookout, lookout man, picket, scout, sentinel, sentry, watch
4. someone who is the first to observe something
   • synonyms: discoverer, finder