A measure equivalent to six pints. Some of those who lived in the king's household were entitled to a daily measure of wine, usually a sextary or proportions thereof. The chancellor, for example, was permitted one sextary of clear wine a day, while a sextary of wine was drawn every night for Henry I should he want it. [< Lat. sextarius < sext = six] -
Dictionary of Medieval Terms and Phrases. Christopher Coredon with Ann Williams.