Definify.com
Webster 1913 Edition
spotter
spot′ter
(spŏt′tẽr)
, Noun.
 One who spots. 
Webster 1828 Edition
Spotter
SPOTTER
,Noun.
 Definition 2025
spotter
spotter
English
Noun
spotter (plural spotters)
- A person who observes something.
 - (military) A member of a sniper team.
 - (weightlifting, gymnastics, climbing) One who supervises a person performing an activity, in order to help them should they be unable to complete it.
 
Derived terms
- planespotter/plane spotter
 - train spotter
 - weather spotter