Is “Gal” a Scrabble word?
Yes
GAL
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Gal
/ɡæl/
noun
1.A unit of volume, equivalent to eight pints
2.Exactly 4.54609 liters; an imperial gallon
3.231 cubic inches or approximately 3.785 liters for liquids (a "U.S. liquid gallon")