What is Lend-lease?

Lend-lease definition and meaning on Dictionary terms:
the matACriel and services supplied by the U.S. to its allies during World War II under an act of Congress (Lend-Lease Act) passed in 1941: such aid was to be repaid in kind after the war.
the two-way transfer of ideas, styles, etc.

verb (used with object), lend-leased, lend-leasA.ing.
to supply (matACriel or services) as authorized by the Lend-Lease Act.


reference: https://www.dictionary.com/browse/lend-lease