sextary

noun3

1. •
   (historical) An Anglo-Saxon unit of liquid measure, chiefly used for wine and cider.

   • The sextary seems to have contained 6 gallons, and is also used for cider and wine. — 1866
2. •
   (historical) Synonym of sextarius, an ancient Roman unit of volume
3. •
   (no longer used) A sacristy.