n. A fourth part or division; a quarter.n. A unit of measure, the fourth part of a gallon; also, a vessel of that capacity.n. In music, the interval of a fourth: prefixed to the name of an instrument, it denotes one pitched a fourth lower or a fourth higher than the ordinary instrument.n. In Gloucestershire and Leicestershire, England, three pounds of butter; in the Isle of Man, seven pounds—that is, the fourth part of a quarter.n. A Welsh measure of length or surface; a pole of 3½ to 4½ yards.n. In card-playing, a sequence of four cards. A quart major is a sequence of the highest four cards in any suit.n. One of the eight thrusts and parries in fencing.Safe; sound; in good health.n. Safety; health.n. A quarter of the horizon.In fencing, to make a pass while holding the sword hand with the nails turned upward.An abbreviation of quarter;of quarterly.