from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One that scrubs, especially:
- n. One who cleans floors, for example, by scrubbing.
- n. A brush, appliance, or abrasive that is used in cleaning.
- n. An apparatus that is used for removing impurities from a gas.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A person or appliance that cleans floors etc by scrubbing
- n. A device that removes impurities from gases
- n. A prostitute, or a slovenly woman
from the GNU version of the Collaborative International Dictionary of English
- n. One who, or that which, scrubs; esp., a brush or machine used in scrubbing.
- n. A gas washer. See under Gas.
- n. a device for removing pollutants from a gas stream, especially for removing sulfur oxides from processes burning coal or oil.
- n. a stunted or emaciated steer.
- n. A person who lives in the bush.
- n. A domesticated animal which has escaped and lives wild in the bush.
from The Century Dictionary and Cyclopedia
- n. An animal which breaks away from the herd, and runs wild in the scrub, generally coming out at night to feed in the open; in the plural, scrub-cattle.
- n. One who scrubs; specifically, one of a scrub-gang aboard ship.
- n. A scrubbing-brush.
- n. An apparatus for freeing coal-gas from tarry impurities and ammonia.
- n. In leather manufacturing, a machine for washing leather after it comes from the tan-pits.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a worker who uses a scrub brush to clean a surface (usually a floor or deck)
- n. a brush with short stiff bristles for heavy cleaning
- n. a purifier that removes impurities from a gas
scrub + -er (Wiktionary)