from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A thick, viscous, or coagulated mass or lump, as of blood.
  • n. A clump, mass, or lump, as of clay.
  • n. A compact group: a clot of automobiles blocking the tunnel's entrance.
  • intransitive v. To form into a clot or clots; coagulate.
  • transitive v. To cause to form into a clot or clots. See Synonyms at coagulate.
  • transitive v. To fill or cover with or as if with clots.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A solidified mass of blood.
  • n. A silly person.
  • v. To form into a clot or mass
  • v. To cause to clot or form into a mass

from the GNU version of the Collaborative International Dictionary of English

  • n. A concretion or coagulation; esp. a soft, slimy, coagulated mass, as of blood; a coagulum.
  • intransitive v. To concrete, coagulate, or thicken, as soft or fluid matter by evaporation; to become a cot or clod.
  • transitive v. To form into a slimy mass.

from The Century Dictionary and Cyclopedia

  • To coagulate, as soft or fluid matter, into a thick inspissated mass; become concrete: as, milk or blood clots.
  • To form into clots.
  • To cause to coagulate; make or form into clots.
  • To cover with clots; mat together by clots, as of blood.
  • n. A clod.
  • n. A hill.
  • n. A dull, stupid man; a clodpoll.
  • n. A concrete or coagulated mass of soft or fluid matter: as, a clot of blood or of cream.
  • n. A clump.
  • n. A dialectal variant of clote. Compare clot-bur.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a lump of material formed from the content of a liquid
  • v. change from a liquid to a thickened or solid state
  • v. cause to change from a liquid to a solid or thickened state
  • v. turn into curds
  • v. coalesce or unite in a mass


Middle English, from Old English clott, lump.
(American Heritage® Dictionary of the English Language, Fourth Edition)
See clout. (Wiktionary)



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