sandstorm

‖n. [ G. See Land; Storm. ] [ 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. [ Webster 1913 Suppl. ]