clot

 
Pronunciation: /klɒt/

noun

  • 1a thick mass of coagulated liquid, especially blood, or of material stuck together: a blood clot a clot of dead leaves
  • 2British informal a foolish or clumsy person: Watch where you’re going, you clot!

verb (clots, clotting, clotted)

  • form or cause to form clots: [no object]: drugs that help blood to clot [with object]: a blood protein known as factor VIII clots blood
  • [with object] cover (something) with sticky matter: its nostrils were clotted with blood

Origin:

Old English clott, clot, of Germanic origin; related to German Klotz