fluid ounce: Meaning and Definition of

flu'id ounce'

1. a measure of capacity equal to pint or 1.8047 cubic inches (29.573 milliliters) in the U.S., and equal to of an imperial pint, or 1.7339 cubic inches (28.413 milliliters) in Great Britain. Abbr.: fl. oz; Symbol: f &ounce;