WAAC: Women’s Auxiliary Army Corps.
Wachtmeister : German cavalry, artillery or train Sergeant-Major.
WAFF: West African Frontier Force.
Waler: Australian breed of horse.
Weary Willie: Shrapnel, used at Gallipoli.
Westerners: Allied Commanders who thought the key to winning was victory on the Western Front. Differed from Easterners.
Western Front: The area of conflict between Germany and the Entente Powers to the west of Germany.
Westralian: Western Australian.
Wire Break: A passage through barbed wire entanglements so an attacker could pass through their own defences.
Whippet: British tank.
Whistleing Willy: Artillery shell.
White Feathers: Given by women in Britain to apparently able-bodied males who hadn’t volunteered or been conscripted for military service.
White Star: Gas composed of chlorine and phosgene.
Whizz-bang: British colloquialism for nearby artillery fire.
Willie: Slang for a tank.
WKF: Wiener Karosserie and Flugzeugfabrik, Austrian manufacturer of planes.
WO: Warrant Officer.
Wodnik: Montenegrin sergeant.
Woodbine: 1. A cigarette 2. British soldiers.
Wooden Track / Wooden Road: Road made of planks, normally on soft ground.
Woolly Bear: German shell burst.
WRAF: Women’s Royal Air Force.
Wrist-watch: Excellent style.
WRNS: Woman’s Royal Naval Service.
Wumba: Waffen-und Munitions-Beschaffungs-Amt, Munitions Department of the German War Ministry.
WVR: Woman’s Volunteer Reserve.