1. Alliterative term for girl (or woman)
   "The gals got together for a night out on the town"
    
2. United States liquid unit equal to 4 quarts or 3.785 litres
   "The car's fuel efficiency was measured in miles per gal";
   - gallon
    
3. A unit of gravitational acceleration equal to one centimetre per second per second (named after Galileo)
   "The geophysicist measured local gravity variations in gals"

Derived forms: gals

Type of: acceleration unit, fille, girl, miss, missy [informal], United States liquid unit, young lady, young woman

Part of: barrel, bbl

Encyclopedia: Gal, Iran