baby boomer

Short definition from Wiktionary

Noun

1. 1
   A person born in the postwar years (generally considered in the United States and other Allied countries as between 1946 and the early 1960s), when there was a marked increase in birthrates throughout the Western world following the return of servicemen at the end of World War II.
2. 2
   Alternative form of baby boomer.
3. 3
   Alternative letter-case form of baby boomer.