Kamerad - German plea for surrender supported by raising the hands above the head and/or waving a white flag.
KIA - Killed in Action. Formal notification of death in action.
Kilo - kilometre.
Kitchener's Army - New volunteer army(ies) raised in 1914/15 after appeal by Lord Kitchener. K1 1sy Army, K2 2nd army, K3 3rd Army.
K of K - Lord Kitchener of Khartoum.
Kite balloon - Observation balloon controlled by steel cables from the ground.
Kiwi - New Zealander serviceman.
KOSBIES - King's Own Scottish Borders Regiment.
KR - King's Regulations. Manual of Military Regulations.
KRRC - Kings Royal Rifle Corps.
KSLI - King's Shropshire Light Infantry.
Kultur - German 'frightfulness' - sardonic.
