carboy UK /ˈkɑː.bɔɪ/US /ˈkɑɹ.boɪ/noun 1verb 1forms 3 noun1 •A large, rigid bottle, originally made of glass and mainly used for fermentation, and now commonly made of plastic and used to store liquids.He ran to his right and another shot came at his legs. It hit the floor and zoomed into a huge carboy of clams that split in half and emptied a hundred shell-fish over the floor. — 1954 verb1 •To bottle in a carboy.Juice bottled or carboyed at this high temperature is difficult to cool rapidly because of the danger of breakage of glass. — 1936 formscarboyed · carboying · carboys
