Category:Tympan

Tym"pan, n. Etym: [f., fr. tympanum a kettledrum, a panel of a door. See tympanum, and cf. Tymp.]

1. A drum. [obs.]

2. (arch.)

Defn: a panel; a tympanum.

3. (print.)

Defn: a frame covered with parchment or cloth, on which the blank Sheets are put, in order to be laid on the form to be impressed. Tympan sheet (print.), a sheet of paper of the same size as that to Be printed, pasted on the tympan, and serving as a guide in laying The sheets evenly for printing. W. Savage.