mustard pot
/ˈmʌstəd pɒt/noun
A pot or cruet for holding table mustard.
- In Wyclif's sarcastic phrase, often echoed by Protestant controversialists in the 16–17th centuries, the word seems to mean: a jar for keeping a supply of ready-mixed mustard, covered with parchment to exclude the air..
Origin
Late Middle English; earliest use found in John Wyclif (d. 1384), theologian, philosopher, and religious reformer. From mustard + pot.