Grouse—Complain. Growl. Kick.
Hun—A German.
Identification disc—A fiber tablet bearing the soldier's name, regiment, and rank. Worn around the neck on a string.
Iron rations—About two pounds of nonperishable rations to be used in an emergency.
Knuckle knife—A short dagger with a studded hilt. Invented by the Germans.
Lance Corporal—The lowest grade of non-commissioned officer.
Lewis gun—A very light machine gun invented by one Lewis, an officer in the American army.
Light railway—A very narrow-gauge railway on which are pushed little hand cars.
Listening post—One or more men go out in front, at night, of course, and listen for movements by the enemy.
Maconochie—A scientifically compounded and well-balanced ration, so the authorities say. It looks, smells, and tastes like rancid lard.