QUARTA´RIUS a Roman measure of capacity, one-fourth
of the sextarius, and consequently a little
less than a quarter of a pint imperial. It is also found in the Greek system
of liquid measures under the name of τέταρτον.
A Dictionary of Greek and Roman Antiquities. William Smith, LLD. William Wayte. G. E. Marindin. Albemarle Street, London. John Murray. 1890.