1. (n.) One who, or that which, keeps; one who, or that which, holds or has possession of anything.

2. (n.) One who retains in custody; one who has the care of a prison and the charge of prisoners.

3. (n.) One who has the care, custody, or superintendence of anything; as, the keeper of a park, a pound, of sheep, of a gate, etc. ; the keeper of attached property; hence, one who saves from harm; a defender; a preserver.

4. (n.) One who remains or keeps in a place or position.

5. (n.) A ring, strap, clamp, or any device for holding an object in place; as: (a) The box on a door jamb into which the bolt of a lock protrudes, when shot. (b) A ring serving to keep another ring on the finger. (c) A loop near the buckle of a strap to receive the end of the strap.

6. (n.) A fruit that keeps well; as, the Roxbury Russet is a good keeper.

Audubon Society National Wildlife Service Sierra Club air warden attendant bull caretaker castellan cerberus commandant conservationist conservator curator custodian custos deliverer enjoyer forest ranger game warden gamekeeper gaoler governor guard guardian guardian angel have haver holder jailer janitor lifeguard lifesaver next friend nurse possessor preservationist preserver principal keeper prison guard prochein ami ranger rescuer safekeeper saver savior screw shepherd steward taxidermist turnkey warden warder watchdog