What did warner mean in medieval times?

Answer 1

The medieval term warrener or warner refers to a manorial official in charge of a lord's rabbit warren. He was there to prevent peasants stealing the rabbits and prevent the rabbits burrowing out of their enclosure; he caught rabbits for the lord's table and kept count of the young ones born during the year.

He might also be charged with taking charge of other animals as a kind of gamekeeper, to ensure plenty of game for the nobleman to hunt. The warner could therefore be responsible for rabbits, hares, partridges, woodcocks, roe deer and fallow deer.

Any peasant caught with any of these without permission would be charged with poaching and face severe penalty.

Answer 2

"Warner" does not have a specific meaning in the context of medieval times. It could refer to a person's name, a title, or a specific role/job within medieval society. Without further context, it is difficult to provide a more specific answer.