Merriam-Webster's Collegiate® Dictionary, 11th Edition
PUNCHEON
I. noun see: pungent
Date: 14th century
a pointed tool for piercing or for working on stone,
2. a short upright framing timber, a split log or heavy slab with the face smoothed,
II. noun
Etymology: Middle English punchon, from Anglo-French ponchon, probably from Middle French poinçon mark on goods certifying their origin
Date: 15th century
a large cask of varying capacity