A tourniquet is a strip of cloth that is tied tightly round an injured arm or leg in order to stop it bleeding.
tourniquet in British English
(ˈtʊənɪˌkeɪ, ˈtɔː-)
noun
medicine
any instrument or device for temporarily constricting an artery of the arm or leg to control bleeding
Word origin
C17: from French: device that operates by turning, from tourner to turn
tourniquet in American English
(ˈtʊrnɪkɪt; ˈtɜrnɪˌkɪt)
noun
any device for compressing a blood vessel to stop bleeding or control the circulation of blood to some part, as a bandage twisted about a limb and released at intervals or a pad pressed down by a screw
Word origin
Fr, altered in sense and form (infl. by tourner, to turn) < MFr turniquet, earlier turniquel, coat of mail, upper garment < OFr tunicle < L tunicula, dim. of tunica, tunic