<p><strong>noun</strong></p><ul><li>a person who cleans, especially one whose regular occupation is cleaning offices, buildings, equipment, etc.</li><li>an apparatus or machine for cleaning, such as a vacuum cleaner.</li><li>a preparation for use in cleaning, as a detergent or chemical bleach.</li><li>the owner or operator of a dry-cleaning establishment: The cleaner said he couldn't get the spot off my coat.</li><li>Usually cleaners: a dry-cleaning establishment: My suit is at the cleaners.</li></ul>