(historical) A parliamentary rule in the Polish-Lithuanian Commonwealth, allowing any dissenting member of the legislature to force an immediate end to the current session and nullify any legislation that had already been passed.

plural of pocket veto

plural of veto pen

(politics, figuratively) The ability to sign a veto; vetoing power.

The power of an executive in government to nullify or cancel specific provisions of a bill, usually budget appropriations, without vetoing the entire legislative package.

plural of line-item veto

plural of line-item veto

One who exercises the power to refuse approval.

plural of vetoer

(US, politics) Having a strong enough majority to override any presidential veto.