An adjustable-rate mortgageA loan using your home as collateral. In some states, the term mortgage is also used to describe the document you sign (to grant the lender a lien on your home). It also may be used to indicate the amount of money you borrow, with interest, to purchase your house. The amount of your mortgage often is the purchase price... (ARM) that offers a fixed rate for an initial period, typically three to ten years, and then adjusts every six months, annually, or at another specified period, for the remainder of the term. Also known as a “hybrid loanAn adjustable-rate mortgage (ARM) that offers a fixed rate for an initial period, typically three to ten years, and then adjusts every six months, annually, or at another specified period, for the remainder of the term.....”