a person who guards or watches, as at a prison or gate.
a person who assumes responsibility for another's behavior: He refused to be his brother's keeper.
a person who owns or operates a business (usually used in combination): a hotelkeeper.
a person who is responsible for the maintenance of something (often used in combination): a zookeeper; a groundskeeper.
a person charged with responsibility for the preservation and conservation of something valuable, as a curator or game warden.
a person who conforms to or abides by a requirement: a keeper of his word.
a fish that is of sufficient size to be caught and retained without violating the law.
a play in which
the quarterback retains the ball and runs with it, usually after faking a hand-off or pass.
something that serves to hold in place, retain, etc., as on a door lock.
something that lasts well, as a fruit.
an iron or steel bar placed across the poles of a permanent horseshoe magnet for preserving the strength of the magnet during storage.
Origin: 1250–1300; Middle English keper. Related forms
1. warden, jailer. 2. custodian, guardian.