noun (often lowercase)
- additional territory considered by a nation, especially Nazi Germany, to be necessary for national survival or for the expansion of trade.
- any additional space needed in order to act, function, etc.
- 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.)).