Tampion

n. [Fr. tampon, tapon, tape, Sp. tapon, from L. Ger. tappe, D. & Eng. tap, L. Lat. tappus, N. H. Ger. zapfen. See TAP, n., 2, and cf. TAMP.] [Written also tamption.]

1. The stopper of a cannon or other piece of ordnance, consisting of a cylinder of wood.
2. A plug used to stop closely the upper end of an organ-pipe.