1. plural of gallon; units of liquid measurement equal to 4 quarts or 3.785 liters in the US

Examples

• The car’s gas tank holds fifteen gallons.
• We bought three gallons of milk for the party.
• The swimming pool contains thousands of gallons of water.
• Paint coverage is typically measured in square feet per gallon.
• The recipe calls for two gallons of apple cider.
• Water usage is often billed by thousands of gallons.