(also Amphŏra Quadrantal). A Roman measure of capacity,
holding about twentyfour quarts ( Fest. s. v. publica pondera, p. 24, ed.
Müller). Half a quadrantal was an urna; one eighth, a congius; and one forty-eighth, a sextarius.
Harry Thurston Peck. Harpers Dictionary of Classical Antiquities. New York. Harper and Brothers. 1898.
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