Mother's Day

noun3

1. •
   (US, Canada) A day in honor of one's mother on the second Sunday in May in the United States and Canada.
2. •
   Other similar holidays honoring mothers or one's mother in various countries.
3. •
   (UK, Ireland) Synonym of Mothering Sunday, the fourth Sunday of Lent, a moveable feast three weeks before Easter, used as a day in honor of mothers in some Commonwealth countries.