Definition of "coalition"

At a time when Mr. Cameron is being squeezed from both sides — from the right by members of his own party and by the anti-immigrant, anti-Europe U.K. Independence Party, and from the left by his Liberal Democrat coalition partners — the move seemed uncharacteristically clunky.

2013 May 23, Sarah Lyall, “British Leader’s Liberal Turn Sets Off a Rebellion in His Party”, in New York Times, retrieved 29 May 2013

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 heads.

2013 August 7, Joshi Herrmann, “How cricket netted the hipsters”, in London Evening Standard

Majed Sultan Ali was on his second visit to the game reserve in a bid to photograph a coalition of cheetahs.

2014 September 6, Darren Boyle, “Running wild! Mother cheetah has SIX cubs keeping her busy by jumping, hiding and climbing all over her”, in The Daily Mail

This is the incredible moment a juvenile ostrich attempts to outrun a coalition of cheetahs that forms a central part of the latest BBC programme to be presented by Sir David Attenborough.

2015 June 11, “This is the moment an ostrich attempts to outrun cheetahs in Sir David Attenborough's latest show”, in Bristol Post