1 An initial sum which the holder of an insurance policy must bear before any claim is met by the insurer. It is most often used in car insurance, e.g. the first £50 of any claim has to be borne by the insured party.
2 A bank or other financial institution's margin of assets over liabilities. See also excess reserves.
3 In the USA, a situation in which a bank has greater reserves with the Federal Reserve than is required.
4 See excess shares.