quart /kwɔːt $ kwɔːrt/ 
 noun [countable] (
written abbreviation qt)
[
Date: 1200-1300; 
Language: Old French; 
Origin: quarte, from quart 'fourth', from Latin quartus;  ⇒ quarter1]
 a unit for measuring liquid, equal to two 
pints. In Britain this is 1.14 litres, and in the US it is 0.95 litres. 
 [TahlilGaran] Dictionary of Contemporary English ▲