baby boom

noun
1.
a period of sharp increase in the birthrate, as that in the U.S. following World War II.
Origin
1950-55
British Dictionary definitions for baby boom

baby boom

noun
1.
a sharp increase in the birth rate of a population, esp the one that occurred after World War II Also called (esp Brit) the bulge
Word Origin and History for baby boom
n.

coined 1941, from baby (n.) + boom (n.); derivative baby-boomer (member of the one that began 1945) recorded by 1974.

Slang definitions & phrases for baby boom

baby boom

modifier

: the millions of baby-boom couples who work for wages

noun phrase

A significant rise in births, esp after 1945 (1960s+, despite an isolated occurrence 1941+)