birthday

Meanings

Noun

• The anniversary of the day on which someone is born.
• The anniversary of the day on which something is created.
• The date on which someone is born or something is created, more commonly called birthdate or date of birth.
• A birthday party.

Verb

• To celebrate one's birthday.

Origin

• From Middle English birthdai, birtheday, from Old English ġebyrddæġ, equivalent to . Compare Saterland Frisian Gebuursdai, Dutch geboortedag, Low German Geboortsdag, German Geburtstag, Norwegian bursdag, gebursdag.
• Eclipsed non-native Middle English nativitee, from Old French nativité, nativited, from Latin nātīvitas.