Given to someone on a temporary basis. We've got a backhoe on loan from Mike's construction company to help dig a ditch through the field at the back of the house. We're delighted to announce that we will have The Mona Lisa on loan from the Louvre.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
on loan (from someone or something)
[of possession] temporarily granted by someone or some group. This lovely painting is on loan from the Kimble Museum for the rest of the year.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.