tourniquet

noun

1. A tightly-compressed bandage used to stop bleeding by stopping the flow of blood through a large artery in a limb.

   “His forefathers had been, as a rule, professional men—physicians and lawyers; his grandfather died under the walls of Chapultepec Castle while twisting a tourniquet for a cursing dragoon; an uncle remained indefinitely at Malvern Hill;[…].”

   “[…] Bull was in the bathroom taking his fix, clutching his old black necktie in his teeth for a tourniquet and jabbing with the needle into his woesome arm with the thousand holes;[…]”

   “After he was done, Lillehei's assistants released the tourniquet around Gregory's venae cavae, allowing blood to return.”

2. Any of several similar methods of clamping components into position.
3. (obsolete)A turnstile.

verb

1. To apply a tourniquet bandage.