gen. A key used to symbolize power, control, or authority, esp. over a particular place; a key as a symbol of office; a position of power or…

As used on ceremonial occasions as a symbol of honour or authority (sword of honour, sword of state, etc.).

As a mark or sign of office. Chiefly the seals, as the symbol of the position of Lord Chancellor or of Secretary of State.

An ornamental column used as a symbol of dignity or office. Now historical.

Such a marker set up by the door of a mayor, sheriff, or other magistrate. Obsolete.

In some Asian and African countries used as a symbol of rank or state.

A cloth bag believed to contain earth or dust, shown in the hands of some eastern Roman emperors and consuls on coins and medals.