Definitions for baby boomer
Random House Webster's College Dictionary
(sometimes caps.) a person born during a baby boom, esp. one born in the U.S. between 1946 and 1965.
Category: Common Vocabulary
baby boomer, boomer(noun)
a member of the baby boom generation in the 1950s
"they expanded the schools for a generation of baby boomers"
A person born in the postwar years (generally considered in the USA and other Allied countries as between 1945 and the early 1960s), when there was an increase in the birth rate following the return of servicemen at the end of World War II.