n. 1 Printing an appliance in a printing-press used to equalize pressure between the platen etc. and a printing-sheet. 2 Archit. = TYMPANUM. [F tympan or L tympanum: see TYMPANUM]
TYMPAN
Meaning of TYMPAN in English
English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012