S.B. Stretcher Bearer. The motive power of a stretcher. He is generally looking the other way when a fourteen-stone Tommy gets hit.
Scaling ladder. Small wooden ladders used by Tommy for climbing out of the front trench when he goes "over the top." When Tommy sees these ladders being brought into the trench, he sits down and writes his will in his little pay-book.
Sentry Go. Time on guard. It means "sentry come."
Sergeant's Mess. Where the sergeants eat. Nearly all of the rum has a habit of disappearing into the Sergeant's Mess.
Seventy-fives. A very efficient field-gun of the French, which can fire thirty shells per minute. The gun needs no relaying due to the recoil which throws the him back to its original position. The gun that knocked out "Jack Johnson," therefore called "Jess Willard."
"Sewed in a blanket." Term for a soldier who has been buried. His remains are generally sewn in a blanket and the piece of blanket is generally deducted from his pay that is due.
Shag. Cigarette tobacco which an American can never learn to use. Even the mules object to the smell of it.
Shell. A device of the artillery which sometimes makes Tommy wish he had been born in a neutral country.
Shell Hole. A hole in the ground caused by the explosion of a shell. Tommy's favorite resting-place while under fire.
Shovel. A tool closely related to the pick family. In France the "shovel" is mightier than the sword.