deposit
US /dɪˈpɑː.zɪt/
UK /dɪˈpɑː.zɪt/

1.
a sum of money placed or kept in a bank account, usually to gain interest
:
•
I made a large deposit into my savings account.
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The bank requires a minimum deposit of $100 to open an account.
2.
a sum payable as a first installment on the purchase of something or as a pledge for a contract
:
•
We paid a deposit to reserve the wedding venue.
•
The landlord requires a security deposit equal to one month's rent.
3.
a layer or mass of accumulated matter
:
•
The river left a thick deposit of silt on the banks.
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Mineral deposits are often found in volcanic regions.
1.