i Register
In some senses, gallon is marked as informal, British, US. Watch for register when choosing this word.
noun
A unit of volume, equivalent to eight pints
exactly 4.54609 liters; an imperial gallon
231 cubic inches or approximately 3.785 liters for liquids (a "U.S. liquid gallon")
one-eighth of a U.S. bushel or approximately 4.405 liters for dry goods (a "U.S. dry gallon").
A large quantity (of any liquid).
The pipe burst and gallons of water flooded into the kitchen.
name
A surname.