noun that part of the reserve force in germany which is called out last.
2. landsturm ·add. ·noun in germany and other european nations, and japan: (a) a general levy in time of war. (b) the forces called out on such levy, composed of all men liable to service who are not in the army, navy, or landwehr; the last line of defense, supposed to be called out only in case of invasion or other grave emergency. ·see army organization, above.