tampion Meaning, Definition & Usage

  1. noun plug for the muzzle of a gun to keep out dust and moisture
    tompion.

WordNet

Tam"pi*on noun
Etymology
F. tampon, tapon, tape, of Dutch or German origin. See Tap a pipe or plug, and cf. Tamp, Tampop, Tompion.
Definitions
  1. A wooden stopper, or plug, as for a cannon or other piece of ordnance, when not in use.
  2. (Mus.) A plug for upper end of an organ pipe.

Webster 1913