| Noun | 1. | spotter - a worker employed at a dry-cleaning establishment to remove spots employee - a worker who is hired to perform a job |
| 2. | spotter - a worker employed to apply spots (as markers or identifiers) employee - a worker who is hired to perform a job | |
| 3. | spotter - a person employed to keep watch for some anticipated event | |
| 4. | spotter - someone who is the first to observe something beholder, observer, perceiver, percipient - a person who becomes aware (of things or events) through the senses co-discoverer - someone who is the first of two or more people to discover something |