“Skelton, the museum's keeper of maps and perhaps the world's leading authority on the history of early cartography, had written several highly important publications.”
“I should have stepped in and acted as my brother's keeper. The failure gnawed at me.”
“Despite her growing suspicions, Carson persuaded Campbell that a scheme to bribe the prison's keeper would work.”
(historical) The main tower of a castle or fortress, located within the castle walls. (According to Wikipedia:keep, the word comes "from the Middle English term kype, meaning basket or cask, and was a term applied to the shell keep at Guînes, said to resemble a barrel".)
The food or money required to keep someone alive and healthy; one's support, maintenance.
The act or office of keeping; custody; guard; care; heed; charge.
The state of being kept; hence, the resulting condition; case.
(obsolete) That which is kept in charge; a charge.
(engineering) A cap for holding something, such as a journal box, in place.