| n. | 1. | A measure of capacity, containing four quarts; - used, for the most part, in liquid measure, but sometimes in dry measure. |
| Noun | 1. | gallon - United States liquid unit equal to 4 quarts or 3.785 liters Synonyms: gal |
| 2. | gallon - a British imperial capacity measure (liquid or dry) equal to 4 quarts or 4.545 liters Synonyms: congius, Imperial gallon |
GALLON, measures. A gallon is a liquid measure, containing two hundred and thirty-one cubic inches, or four quarts.
barrel, bbl, British capacity unit, bushel, congius, firkin, Imperial capacity unit, Imperial gallon, quart