any reduction in expense, time, material, labour etc.; money saved from spending; the excess of income over expenditure; saving or savings; that which is preserved for future use.

an account opened with a bank or other institutions into which the account-holder deposits money saved by him and which earns interest with a facility of being withdrawn when needed; a savings bank account.

a written document given to a depositor by the government, bank etc. acknowledging the deposit of money, and specifying the period of such deposit, interest that earns, etc.; a savings certificate.