a former unit of capacity equal to 231 cubic inches
wine gallon in American English
the old English gallon of 3.79 liters, now the standard gallon in the U.S.
wine gallon in American English
noun
a former English gallon of 160 fluid ounces: equal to the present U.S. standard gallon of 128 fluid ounces
Word origin
[1650–60]This word is first recorded in the period 1650–60. Other words that entered Englishat around the same time include: backhand, gas, parameter, pony, profile