Definition of Lebensraum in English:

Lebensraum

Pronunciation /ˈlābənsˌroum/ /-bənz-/ /ˈleɪbənsraʊm/

noun

  • The territory that a state or nation believes is needed for its natural development, especially associated with Nazi Germany.

    • ‘The concept of Lebensraum as understood in Nazi ideology included in it the assumption that war was inevitable.’
    room to manoeuvre, room, space, breathing space, scope, freedom, play, free rein, licence, latitude, leeway, margin, clearance

Origin

German, literally ‘living space’ (originally with reference to Germany).