Balloon (payment) mortgage
Usually a short-term fixed-rate loan which involves small payments for a certain period of time and one large payment for the remaining amount of the principal at a time specified in the contract.

Blanket Mortgage
A mortgage covering at least two pieces of real estate as security for the same mortgage.

Borrower (Mortgagor)
One who applies for and receives a loan in the form of a mortgage with the intention of repaying the loan in full.

Broker
An individual in the business of assisting in arranging funding or negotiating contracts for a client buy who does not loan the money himself. Brokers usually charge a fee or receive a commission for their services.

Buy-down
When the lender and/or the home builder subsidized the mortgage by lowering the interest rate during the first few years of the loan. While the payments are initially low, they will increase when the subsidy expires.