quart UK /kwɔːt/US /kwɔɹt/noun 5adjective 3adverb 1verb 1forms 5 noun5 •A unit of liquid capacity equal to two pints; one-fourth (quarter) of a gallon. Equivalent to 1.136 liters in the UK and 0.946 liter (liquid quart) or 1.101 liters (dry quart) in the U.S. •The fourth defensive position; quarte.[W]e behold two men with lion-look, with alert attitude, side foremost, right foot advanced; flourishing and thrusting, stoccado and passado, in tierce and quart; intent to skewer one another. — 1837 •Four successive cards of the same suit.A tierce major is good against any other tierce; a quart minor is good against a tierce major. — 1908 •(no longer used) A fourth; a quarter; hence, a region of the earth.Camber did possesse the Westerne quart. — 1590 •(no longer used) Safety, soundness; health. adjective3 •(dialect) Contentious or quarrelsome. •(dialect) Transverse. •(dialect, no longer used) Safe, sound; healthy. adverb1 •(dialect) Crosswise; across. verb1 •(dialect) To thwart. formsquarted · quarting · quarts · more quart · most quart