(1) A worker employed at a dry-cleaning establishment to remove spots,a worker employed to apply spots (as markers or identifiers),a person employed to watch for something to happen,someone who is the first to observe something
(2) A worker employed at a dry-cleaning establishment to remove spots
(3) A worker employed to apply spots (as markers or identifiers)
(4) A person employed to watch for something to happen
(5) Someone who is the first to observe something
(1) Spotter planes
(2) Sequences are shown featuring artillery attack on enemy positions directed by a circling spotter plane.
(3) Spotter planes
(4) We had spotters when we played on the rock-climbing wall and we practiced falling off stilts in a way that would lessen the impact on our bodies.
lookout
sentinel
scout
watch
picket
sentry