puncheon
1. pun.cheon \'p*n-ch*n\ n [ME ponson, fr. MF poinc~X pointed tool, king post (perh. fr. its] being marked by the builder with a pointed tool), fr. (assumed) VL punction-, punctio pointed tool, fr. punctiare to prick, fr. L punctus, pp. of pungere to prick - more at PUNGENT 1: a pointed tool for piercing or for working on stone 2a: a short upright framing timber 2b: a split log or heavy slab with the face smoothed 3: a figured stamp die or punch used esp. by goldsmiths, cutlers, and engra vers 2. puncheon n [ME poncion, fr. MF ponchon, poinc~X, of unknown origin] 1: a large cask of varying capacity 2: any of various units of liquid capacity (as a unit equal to 70 gallons)
Webster's English Dictionary