K
"Kicked the bucket." Died.
Kilo. Five eighths of a mile. Ten "kilos" generally means a trek of fifteen miles.
"King's Shilling." Tommy's rate of pay per day, perhaps.
"Taking the King's Shilling" means enlisting.
"Kip." Tommy's term for "sleep." He also calls his bed his "kip." It is on guard that Tommy most desires to kip.
Kit Bag. A part of Tommy's equipment in which he is supposed to pack up his troubles and smile, according to the words of a popular song (the composer was never in a trench).
Kitchener's Army. The volunteer army raised by Lord Kitchener, the members of which signed for duration of war. They are commonly called the "New Army" or "Kitchener's Mob." At first the Regulars and Territorials looked down on them, but now accept them as welcome mates.
L
Labor Battalion. An organization which is "too proud to fight." They would sooner use a pick and shovel.