Interest expense relates to the cost of borrowing money. It is the price that a lender charges a borrower for the use of the lender`s money. Interest expense is different from operating expense and CAPEX, for it relates to the capital structure of a company. Interest expense is usually tax-deductible. ...
Interest expense is the money the corporation or individual pays out in interest on loans.
The cost of borrowed money including all interest charges on short- or long-term debt and capital lease obligations. 
Interest expense:
Money paid by a business in exchange for the use of capital for a specified time period. On the incoTax on foreign investment by residents of the U.S. which was abolished in 1974.
[n] - interest paid on loans
Interest expense is the cost incurred by an company for the use of another firm?s resources typically in the form of a loan. Loan agreements outline the?interest rate, terms associated with the debt, and payment structure.