You might think you have to have some property to put up as collateral for a loan. (business-opportunities.biz)
The word «secured» means that the loan is backed by an asset put up as collateral. (rocketlawyer.com)
The mortgage interest can only be deducted if the mortgage is secured debt, where the home is put up as collateral as a way to protect the lender's interests. (investopedia.com)