1. [ noun ] United States liquid unit equal to 4 quarts or 3.785 liters
Synonyms: gallon
Related terms: United_States_liquid_unit barrel quart
2. [ noun ] (physics) a unit of gravitational acceleration equal to one centimeter per second per second (named after Galileo)
Related terms: acceleration_unit
3. [ noun ] (informal) alliterative term for girl (or woman)
Related terms: girl colloquialism
Similar spelling:   Gaal