(politics, UK) In a house of legislature following the model of the Westminster system (such as the UK House of Commons), the parliamentary leader of the largest political party not forming the government.

plural of Squadron Leader

(mining, historical) A boy employed to put small coals to a stowboard.

plural of small leader

(mining, historical) A person employed to remove water from the horseways and other places.

(mining, historical) A person employed to carry wooden props to parts of the mine where they are needed.

plural of water leader

plural of wood leader

plural of grassroots leader

(Singapore) A government-appointed volunteer who serves in an organisation with the main purpose of bridging the gap between the Singapore Government and the people.