from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An amount measured in gallons.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An amount of liquid measured in gallons
from The Century Dictionary and Cyclopedia
- n. Amount or capacity stated or reckoned in gallons: as, the gallonage of a tank, or the gallonage of an oil-well during the period named.
Sorry, no etymologies found.