Birthday

Birthday

Definition: The day of one’s birth or the anniversary of that day. In some places the anniversary of one’s birth, especially that of a child, is celebrated with a party and the giving of gifts. Not a Biblical practice.

birth⋅day

  [burth-dey] Show IPA

–noun

1.	the anniversary of a birth.

2.	the day of a person's birth.

3.	a day marking or commemorating the origin, founding, or beginning of something.

4.	the festivities or celebration marking such a day or anniversary.

Origin: 1350–1400; ME; see birth, day

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.