ˈkänjēəs noun
( plural con·gii -jēˌī)
Etymology: Middle English, from Latin, probably modification of Greek konchos conch (also, a liquid measure); akin to Greek konchē conch — more at conch
1. : an ancient Roman unit of liquid capacity equal to 1/8 amphora or 0.84 United States gallon
2. pharmacy : gallon — abbr. cong or C