Definition from Wiktionary, the free dictionary
Etymology 1 
cleaner (plural cleaners)
- A person whose occupation is to clean floors, windows and other things.
- A device that cleans, such as the vacuum cleaner.
- A cleaning detergent.
- (in the plural) A professional laundry or dry cleaner (business).
- I'll have to take this shirt to the cleaners.
Derived terms 
Related terms 
person who cleans
device that cleans
Etymology 2