A mortgage escrow accounts is an account set up specifically by the
lender pay for property taxes, insurance premium. The escrow account
ensures that these items are paid by guaranteeing that there will
always be enough money to pay these bills. A mortgage escrow account
substantially reduces the risk of lapsed insurance coverage or
delinquent taxes.
http://qs138.com/real-estate-law/mortgages/mortgage-escrow-account.htm