0 used to refer to a person whose job or interest is to notice people or things of the type mentioned:
a talent-spotter
UK a train-spotter
This is now a private, legal dispute between the plane spotters and their lawyers.
Unfortunately, however, the plane spotters' situation has not been resolved satisfactorily.
We advised the plane spotters to instruct a lawyer to apply for the return of the bail money on their behalf.
We will continue to offer the plane spotters all the consular assistance we properly can.
Superficially, this passage seems much more promising for the speech-melody spotter.
Encyclopedia spotters would most certainly demand a volume 22 (12).
Undulations in the terrain, vegetation, and obstacles of every kind are capable of obstructing line-of-sight sensors such as laser range finders and shortwave radar artillery spotters.
In the room or in the basement + hidden enemy spotters with phone lines to the enemy.
