three-quarter

1. not comparableof three fourths of the usual dimension

   a three-quarter length coat.

2. not comparablewith the subject turned slightly away from a frontal view

plural three-quarters

1. ball gamesA player positioned between the half-backs and the full-backs (properly a three-quarter back)

   1 more example

   England's superior conditioning began to show in the final quarter and as the game began to break up, their three-quarters began to stamp their authority on the game. And when Foden went on a mazy run from inside his own 22 and put Ashton in for a long-range try, any threat of an upset was when and truly snuffed out.

   2011 September 18, Ben Dirs, “Rugby World Cup 2011: England 41-10 Georgia”, in BBC Sport

2. singularA fraction with three of four equal parts (=75 %)

   Europe has around a three-quarter billion/milliard (i.e. 750 million) inhabitants.

   Synonyms: ¾