loaner

[ loh-ner ]
/ ˈloʊ nər /

noun

a person or thing that loans.
something, as an automobile or appliance, that is lent especially to replace an item being serviced or repaired.

Origin of loaner

First recorded in 1880–85; loan1 + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019