<p><strong>Noun</strong></p><ul><li>a person who guards or watches, as at a prison or gate.</li><li>a person who assumes responsibility for another's behavior: He refused to be his brother's keeper.</li><li>a person who owns or operates a business (usually used in combination): a hotelkeeper.</li><li>a person who is responsible for the maintenance of something (often used in combination): a zookeeper; a groundskeeper.</li><li>a person charged with responsibility for the preservation and conservation of something valuable, as a curator or game warden.</li><li>a person who conforms to or abides by a requirement: a keeper of his word.</li><li>a fish that is of sufficient size to be caught and retained without violating the law.</li><li>Football: a play in which the quarterback retains the ball and runs with it, usually after faking a hand-off or pass.</li><li>something that serves to hold in place, retain, etc., as on a door lock.</li><li>something that lasts well, as a fruit.</li><li>guard ring.</li><li>an iron or steel bar placed across the poles of a permanent horseshoe magnet for preserving the strength of the magnet during storage.</li></ul>