A spotter is someone trained to look for or "spot" something. The term has the following special meanings.

• Weather spotter
• Spotter (sniping), a member of a sniper team
• Spotter, an exercise partner who helps to ensure safety (see spotting)
• Spotters are transportation enthusiasts who enjoy watching various transport-related activities:
  • Train spotter
  • Aircraft spotter
  • Bus spotter

Spotter | Spotter