A person whose occupation is to clean floors, windows and other things. / A device that cleans, such as the vacuum cleaner. / A substance used for cleaning, a cleaning agent.

comparative form of clean: more clean

A professional laundry or dry cleaner (business). (This form is now interpreted as plural and usually spelled without an apostrophe, even in official usage, to justify the removal of the apostrophe. It was traditionally spelled cleaner's with an apostrophe because this is grammatically correct, as can be seen with forms such as go to the doctor's, which cannot be reinterpreted as plural.)

plural of cleaner

A person whose job is to clean windows. / A product, such as Windex, used to clean windows.

(idiomatic) To take a significant quantity of a person's money or valuables, through overcharging, litigation, unfavorable investing, gambling, fraud, etc. (humorous way of saying older expression clean out)

plural of glass cleaner

plural of window cleaner

plural of vacuum cleaner

plural of dry cleaner