noun

• A temporary group or union of organizations, usually formed for a particular advantage.
• (rare) The collective noun for a group of cheetahs.
• (Australia, politics, slang, mildly derogatory) The Coalition of the Liberal Party and the National Party, emphasising its pro-coal policies.
• (Australia, politics) Ellipsis of Coalition of the Liberal Party and National Party. (Liberal-National coalition)
• (US, politics) Ellipsis of Coalition of the Willing.; The coalition of nations operating under United States command against Iraq, in the U.S.-Iraq War (Gulf War II; "Iraq War") and its aftermath.