n.pl. (also tympani)’ kettledrums. o timpanist n. [Italian, pl. of timpano = TYMPANUM] tin n. 1 silverywhite metallic element, used esp. in alloys and in making tin plate. 2 container made of tin or tinned iron, esp. airtight for preserving food. 3 = TIN PLATE. U. (nn) 1 seal (food) in a tin for preservation. 2 cover or coat with tin. [Old English]


