purificator /ˈpjʊərɪfɪˌkeɪtə/

• 1. 

  N a small white linen cloth used to wipe the chalice and paten and also the lips and fingers of the celebrant at the Eucharist 圣杯帕; 圣餐中司仪神父用来擦拭圣杯、圣餐碟、嘴唇及手指的一块白布 [Christianity]