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

plural of cleaner

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.)

A domestic or industrial mobile machine for cleaning floors and similar surfaces that draws dust and other particles into a container (a cyclonic type bin, or a filter bag) by the suction created by an electric motor driving a fan.

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

A piece of flexible wire in which tufted fabric is twisted and which is used to clean out the stem of a tobacco pipe or other narrow tube. It can be also used for arts and crafts

Any device that filters or otherwise cleans air; an air purifier.

plural of pipe cleaner

plural of vacuum cleaner