QUARTER EAGLE, money. A gold coin of the United States of the value of two dollars and a half. 2. It weighs sixty-four and one-half grains. Of one thousand parts, nine hundred are of pure gold, and one hundred of alloy. Act of January, 18, 1837, S. 8 and 10, 4 Sharsw. cont. of Story's L. U. S. 2523, 4. Vide Money.