TYM'PAN, noun [Latin tympanum. See Tymbal.] 1. A drum; hence, the barrel or hollow part of the ear behind the membrane of the tympanum. 2. The area of a pediment; also, the part of a pedestal called the trunk or dye. 3. The pannel of a door. 4. A triangular space or table in the corners or sides of an arch, usually enriched with figures. 5. Among printers, 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.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI