pledge
US /pledʒ/
UK /pledʒ/

1.
a solemn promise or undertaking
:
•
He made a pledge to support his family.
•
The charity received a large pledge from an anonymous donor.
2.
a thing that is given as security for the fulfillment of a contract or in return for a loan
:
•
He put his watch up as a pledge for the loan.
•
The ring was held as a pledge until the debt was paid.
1.
2.
deposit (an article) as security for a loan
:
•
He had to pledge his car to get the necessary funds.
•
Many valuable items were pledged at the pawn shop.