| Noun | 1. | scrubber - a worker who uses a scrub brush to clean a surface (usually a floor or deck)worker - a person who works at a specific occupation; "he is a good worker" |
| 2. | scrubber - a brush with short stiff bristles for heavy cleaningbrush - an implement that has hairs or bristles firmly set into a handle | |
| 3. | scrubber - a purifier that removes impurities from a gas purifier - an apparatus for removing impurities |