i Register
In some senses, cyathus is marked as historical. Watch for register when choosing this word.
noun
An ancient Roman unit of liquid measure reckoned as the volume of 1⅔ Roman ounce of wine and equivalent to about 45 mL although differing slightly over time.
A ladle, especially (historical) a small one used for serving wine in ancient Greece and Rome.
Synonym of kyathos (“an ancient ladle and serving beaker”).