Definitions for "Carboy"
A large, globular glass bottle, esp. one of green glass, inclosed in basket work or in a box, for protection; -- used commonly for carrying corrosive liquids; as sulphuric acid, etc.
big, glass container that holds the must; usually understood to hold three to five gallons.
5 or 6-1/2 gallon glass bottle with a narrow opening on top. Properly cleaned, carboys can be used as primary or secondary fermenters.
A largeware container used principally for acids and chemicals.