Main Entry:

heart·land

Pronunciation:

\ˈhärt-ˌland\

Function:

noun

Date:

1904

: a central area: as a: a central land area (as northern Eurasia) having strategic advantages b: the central geographical region of the United States in which mainstream or traditional values predominate c: a region where something (as an industry or activity) most strongly thrives <the heartland of high technology>