- scrubber - a worker who uses a scrub brush to clean a surface (usually a floor or deck)
--1 is a kind of worker
Derived form: verb scrub1 - scrub brush, scrubbing brush, scrubber - a brush with short stiff bristles for heavy cleaning
--2 is a kind of brush
Derived form: verb scrub1 - scrubber - a purifier that removes impurities from a gas
--3 is a kind of purifier