a heavy slab of timber, roughly dressed, for use as a floorboard.
2.
a short, upright framing timber.
3.
(in goldsmith work)
a.
any of various pointed instruments; a punch.
b.
a stamping tool.
Origin: 1325–75; ME ponson, punçon, ponchoun < MF ponçon < L pūnctiōn- (s. of pūnctiō) a pricking, hence, pricking tool, equiv. to pūnct(us) (ptp. of pungere to prick; cf. point) + -iōn--ion
A short wooden upright used in structural framing.
A piece of broad, heavy, roughly dressed timber with one face finished flat.
A punching, perforating, or stamping tool, especially one used by a goldsmith.
[Middle English punchon, from Old French ponçon, ponchon, from Vulgar Latin *pūnctiō, pūnctiōn-, punch, from *pūnctiāre, to pierce, from Latin pūnctus, past participle of pungere, to prick; see peuk- in Indo-European roots.]
pun·cheon 2 (pŭn'chən) n.
A cask with a capacity of from 72 to 120 gallons (273 to 454 liters).
The amount of liquid contained in a puncheon.
[Middle English ponchon, from Old French poinçon, poinchon, punch, cask (probably because the casks were inspected and marked with a punch); see puncheon1.]
"cask for liquor," 1479, from M.Fr. poinchon (13c.), of unknown origin. Uncertain connection with puncheon "slab of timber" (1466), also "pointed tool for punching" (see punch (n.1)).