quart /kwɔːt $ kwɔːrt/ BrE AmE noun [countable] ( written abbreviation qt )
[ Date: 1200-1300 ; Language: Old French ; Origin: quarte , from quart 'fourth' , from Latin quartus ; ⇨ ↑ quarter 1 ]
a unit for measuring liquid, equal to two ↑ pint s . In Britain this is 1.14 litres, and in the US it is 0.95 litres.