lebensraum

noun (often lowercase)

1. additional territory considered by a nation, especially Nazi Germany, to be necessary for national survival or for the expansion of trade.
2. any additional space needed in order to act, function, etc.

noun

1. territory claimed by a nation or state on the grounds that it is necessary for survival or growth

n.“territory needed for a nation’s or people’s natural development,” 1905, from German genitive of leben “life” (see life) + raum “space” (see room (n.)).