(anatomy) A kidney.

(Egyptian mythology) One’s name, as part of the soul in ancient Egyptian mythology.

(telecommunications) Initialism of ringer equivalence number.

(chiefly nonstandard, humorous) Used to form the plural of nouns

plural of ren

(obsolete) rennet

plural of Ren fair

(chiefly US, informal) Renaissance fair

A payment made by a tenant at intervals in order to occupy a property. / A similar payment for the use of a product, equipment or a service.

(transitive) To occupy premises in exchange for rent. / (transitive) To grant occupation in return for rent.