Meaning of “loan” - Learner’s Dictionary

loan

noun uk us /ləʊn/

B1 [ C ] money that someone has borrowed:

a bank loan
a student loan
He repaid the loan within two years.
be on loan

If something is on loan, someone is borrowing it:

Both paintings are on loan from the city museum.

(Definition of “loan noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)