(informal) A person responsible for cleaning or tidying up.

(Australia, informal) A cleaner-upper; a person responsible for cleaning or tidying up.

plural of cleaner-upperer

(zoology) Any of a number of swimming decapod crustaceans that clean other organisms of parasites.

plural of cleaner shrimp

plural of drain cleaner

A substance, usually a liquid, used to clean drains by unclogging material lodged inside them.

plural of engine cleaner

(rail transport, dated, Britain) An employee who cleans railway locomotives, especially steam locomotives in the days of steam.

Alternative form of cleaner fish