Gallon, a measure of capacity, both for dry and liquid articles, containing four quarts, which varies according to the nature of the MS commodity measured. - Thus, the wine-gailon contains 231 cubic inches, and holds 8 lbs. avoirdupois of pure water; the beer and ale gallon contains 281 solid inches, and l0lbs. 31/4 oz. avoirdupois of water; and the gallon for corn, meal, & . 272. cubic inches, and contains 9lbs. l3oz. of pure water. - Encycl. Brit.