(printing) A padding, as of paper or cloth, placed over the platen of a press to regulate the pressure on the sheet being printed.
A tightly stretched sheet or membrane, as on the head of a drum.
(obs.) A drum.
The paper, cardboard, etc. stretched over the platen or impression cylinder of a printing press to cushion the paper being printed and equalize type pressure.
Any membranelike part.
(architecture) A tympanum.
Other Word Forms
Origin of tympan
- Middle English timpan drum from Old English timpana from Latin tympanum from Greek tumpanon
From American Heritage Dictionary of the English Language, 5th Edition
- From Medieval Latin tympanum.