The Collaborative International Dictionary of English v.0.48:

Quart \Quart\, n. [F. quart, n. masc., fr. L. quartus the
   fourth, akin to quattuor four. See Four, and cf. 2d
   Carte, Quarto.]
   The fourth part; a quarter; hence, a region of the earth.
   [Obs.]
   [1913 Webster]

         Camber did possess the western quart.    --Spenser.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Quart \Quart\, n. [F. quarte, n. fem., fr. quart fourth. See
   Quart a quarter.]
   1. A measure of capacity, both in dry and in liquid measure;
      the fourth part of a gallon; the eighth part of a peck;
      two pints.
      [1913 Webster]

   Note: In imperial measure, a quart is forty English fluid
         ounces; in wine measure, it is thirty-two American
         fluid ounces. The United States dry quart contains
         67.20 cubic inches, the fluid quart 57.75. The English
         quart contains 69.32 cubic inches.
         [1913 Webster]

   2. A vessel or measure containing a quart.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Quart \Quart\, n. [See Quart a quarter.]
   In cards, four successive cards of the same suit. Cf.
   Tierce, 4. --Hoyle.
   [1913 Webster]

WordNet (r) 3.0 (2006):

quart
    n 1: a United States liquid unit equal to 32 fluid ounces; four
         quarts equal one gallon
    2: a British imperial capacity measure (liquid or dry) equal to
       2 pints or 1.136 liters
    3: a United States dry unit equal to 2 pints or 67.2 cubic
       inches [syn: quart, dry quart]

Moby Thesaurus II by Grady Ward, 1.0:

29 Moby Thesaurus words for "quart":
   barrel, bushel, cord, cubic foot, cubic meter, cup, decaliter,
   decastere, deciliter, dkl, drop, dry pint, fifth, finger, gallon,
   gill, hogshead, jeroboam, jigger, kiloliter, magnum, milliliter,
   minim, peck, pint, pony, tablespoon, teaspoon, yard



Bouvier's Law Dictionary, Revised 6th Ed (1856):

QUART, measures. A quart is a liquid measure containing one-fourth part of a
gallon.