|1.||(Brit) Also called: imperial gallon a unit of capacity equal to 277.42 cubic inches. 1 Brit gallon is equivalent to 1.20 US gallons or 4.55 litres|
|2.||(US) a unit of capacity equal to 231 cubic inches. 1 US gallon is equivalent to 0.83 imperial gallon or 3.79 litres|
|3.||(plural) great quantities|
|[C13: from Old Northern French galon (Old French jalon), perhaps of Celtic origin]|
|a stew of meat, vegetables, potatoes, etc.|
|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
gallon gal·lon (gāl'ən)
A unit of volume in the U.S. Customary System, used in liquid measure, equal to 4 quarts, 231 cubic inches, or 8.3389 pounds of distilled water (3.7853 liters).