birthday

[ burth-dey ]
/ ˈbɜrθˌdeɪ /

noun

the anniversary of a birth.
the day of a person's birth.
a day marking or commemorating the origin, founding, or beginning of something.
the festivities or celebration marking such a day or anniversary.

Origin of birthday

Middle English word dating back to 1350–1400; see origin at birth, day

Example sentences from the Web for birthday

British Dictionary definitions for birthday

birthday
/ (ˈbɜːθˌdeɪ) /

noun

  1. an anniversary of the day of one's birth
  2. (as modifier)birthday present
the day on which a person was born
any anniversary