From Longman Dictionary of Contemporary Englishkeeperkeep‧er /ˈkiːpə $ -ər/ noun [countable] 1 BOHBAsomeone who looks after animals a beekeeper Bob is head lion keeper at the zoo. → gamekeeper, zoo-keeper2 BOLOOK AFTER somethingsomeone whose job is to look after a particular place or thing a lighthouse keeperkeeper of the keeper of Greek coins in the British Museum3 British English informalDSO a goalkeeper4 → I am not somebody’s keeper → wicket keeper
Examples from the Corpus
keeper• This one's a keeper.• Demitros is the zoo's head gorilla keeper.keeper of• The CEO could be considered the keeper of the company's assets.From Longman Business Dictionarykeeperkeep‧er /ˈkiːpə-ər/ noun [countable]1someone whose job is to look after a particular place or area of workWarehouse keepers must keep daily records related to grain in storage.2informalMARKETING a product that a company decides to continue selling