Birth"day` (?), n.
1.
The day in which any person is born; day of origin or commencement.
Those barbarous ages past, succeeded next
The birthday of invention.
Cowper.
2.
The day of the month in which a person was born, in whatever succeeding year it may recur; the anniversary of one's birth.
This is my birthday; as this very day
Was Cassius born.
Shak.
© Webster 1913.
Birth"day`, a.
Of or pertaining to the day of birth, or its anniversary; as, birthday gifts or festivities.
© Webster 1913.