Emily Dickinson Lexicon

QUART, n. [quort; It. quarta; Fr. quarte, from quart, a fourth, L. quartus; D. kwart; G. quart; from W. cwar, the root of square, or from the root of Gr. αρω, to fit or suit, to square. We see in the Amharic, the ancient dialect of the Ethiopic, art is four, and arten is fourth, L. quartus. Ludolf, Amh. 57. This with the Celtic pronunciation, as guerre for war, becomes quart.]

1. The fourth part; a quarter. [Not in use.] – Spenser.
2. The fourth part of a gallon; two pints.
3. A vessel containing the fourth of a gallon.
4. A sequence of four cards in the game of picket.