Noun
the feast day of a saint whose name one bears
Source: WordNetname-day
Salt & Boutsikas 2005 Orientation measurements in Greek temples and Byzantine churches have been associated to deity's name day, festivities, and special events. citation Liritzis. Source: Internet
On the occasion of Dąbrowski's name day on 25 December 1810 in Poznań, Dąbrowski and Wybicki led the mazurka to the tune of Poland Is Not Yet Lost. Source: Internet