what is an endowment mortgage
DEFINITION of 'Endowment Loan'. A type of mortgage in which the borrower makes only interest payments on the mortgage, while payments that would have gone to repay the principal are instead funneled into an endowment fund. Under an endowment loan, the borrower does not repay the principal until the mortgage expires. type of mortgage in which the borrower makes only interest payments on the mortgage, while payments that would have gone to repay the principal are instead funneled into an endowment fund.