keeper

noun

1. One who keeps (retains) something.
2. One who remains or keeps in a place or position.
3. A fruit or vegetable that keeps (remains good) for some time without spoiling.
4. A person or thing worth keeping.
5. A person charged with guarding or caring for, storing, or maintaining something; a custodian, a guard; sometimes a gamekeeper.
6. The player charged with guarding a goal or wicket; a goalkeeper or wicketkeeper.
7. At Eton College, a student who is the captain of a sport or an activity such as drama.
8. A part of a mechanism that catches or retains another part, for example the part of a door lock that fits in the frame and receives the bolt.
9. A thin, flexible tress or tongue of material (e.g. leather) at the end of a crop opposite the handle, which is broad enough to prevent the horse's skin from being marked as it might be by a whip.
10. An offensive play in which the quarterback runs toward the goal with the ball after it is snapped.
11. Synonym of armature (“piece of metal connecting the poles of a magnet to preserve its strength by forming a circuit”).