CONGIUS
gallon, Imperial gallon, congius
(noun) a British imperial capacity measure (liquid or dry) equal to 4 quarts or 4.545 liters
Source: WordNet® 3.1
Etymology
Noun
congius (plural congii)
(historical units of measure) An ancient Roman unit of volume in liquid measure consisting of six sextarii or one-eighth amphora (about 118 fluid ounces).
(historical units of measure) An ancient Roman unit of weight under Vespasian equal to the weight of a congius of water.
Anagrams
• soucing
Source: Wiktionary
Con"gi*us, n. Etym: [L.]
1. (Roman Antiq.)
Definition: A liquid measure containing about three quarts.
2. (Med.)
Definition: A gallon, or four quarts. [Often abbreviated to cong.]
Source: Webster’s Unabridged Dictionary 1913 Edition