TOURNIQUET
Etymology
Noun
tourniquet (plural tourniquets)
A tightly-compressed bandage used to stop bleeding by stopping the flow of blood through a large artery in a limb.
Any of several similar methods of clamping components into position.
A turnstile.
Source: Wiktionary
Tour"ni*quet, n. Etym: [F., fr. tourner to turn.] (Surg.)
Definition: An instrument for arresting hemorrhage. It consists essentially
of a pad or compress upon which pressure is made by a band which is
tightened by a screw or other means.
Source: Webster’s Unabridged Dictionary 1913 Edition