- Mother's Day is a day in May when mothers are celebrated and honored in the United States.
The second Sunday in May, when mothers are celebrated and honored in the U.S., is an example of Mother's Day.
the second Sunday in May, a day set aside (in the U.S.) in honor of mothers
The second Sunday in May, observed in the United States as a day honoring mothers.
(plural Mother's Days)
- A day in honor of mothers, which falls on the second Sunday in May in the United States, and on the fourth Sunday of Lent, exactly three weeks before Easter Sunday, in the United Kingdom and Ireland.