Additional territory deemed necessary to a nation, especially Nazi Germany, for its continued existence or economic well-being.
Adequate space in which to live, develop, or function.
[German : Lebens, genitive sing. of Leben, life (from Middle High German, from Old High German lebēn; see leip- in Indo-European roots) + Raum, space (from Middle High German roum, from Old High German rūm; see reuə- in Indo-European roots).]