[1] : The Collaborative International Dictionary of English v.0.48

congius \con"gius\, n. l.
   1. roman antiq. a liquid measure containing about three
      quarts.
      1913 webster

   2. med. a gallon, or four quarts. often abbreviated to
      cong.
      1913 webster
see also:
cong. 

[2] : WordNet (r) 2.0

congius
     n : a british imperial capacity measure liquid or dry equal to
         4 quarts or 4.545 liters syn: gallon, imperial gallon
     also: congii pl
see also:
gallon imperial gallon congii 

Congius >> C Words
Congius, definition of term: Congius
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