Coal.

Noun

coalition (countable and uncountable, plural coalitions)

1. A temporary group or union of organizations, usually formed for a particular advantage.
   • The Liberal Democrats and Conservative parties formed a coalition government in 2010.
2. (collective, rare) A group of cheetahs.
   • Sometimes the ante is upped, the gaggle of bowlers all working on their batsman in turn, like a coalition of cheetahs singling out a vulnerable gazelle, sending their distinctive balls down until the pressure forces a mistake or the batsman gets his own back by smashing a bad ball over everyone’s...2013 August 7, Joshi Herrmann, “How cricket netted the hipsters”, in London Evening Standard

See all 4 meanings of coalition