clot

1 of 2

noun

1
: a portion of a substance adhering together in a thick nondescript mass (as of clay or gum)
2
a
: a roundish viscous lump formed by coagulation of a portion of liquid or by melting
b
: a coagulated mass produced by clotting of blood
3
British : blockhead
4
: cluster, group
a clot of spectators

clot

2 of 2

verb

clotted; clotting

intransitive verb

1
: to become a clot : form clots
2
: to undergo a sequence of complex chemical and physical reactions that results in conversion of fluid blood into a coagulated mass : coagulate

transitive verb

1
: to cause to form into or as if into a clot
2
: to fill with clots
also : clog
clotted streets

Examples of clot in a Sentence

Noun We were told that his stroke was caused by a clot in his brain. a clot of daisies occupied one corner of the flower bed Verb medications that prevent blood from clotting substances that help to clot blood
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
In his first year of life, Elijah, 3, was diagnosed with both reactive airway disease and Factor XII Deficiency, a rare genetic disorder that affects the body’s ability to clot blood. Fortesa Latifi, Rolling Stone, 2 Dec. 2024 These drugs slow down clotting by reducing fibrin formation and preventing clots from forming and growing. Anna Giorgi, Verywell Health, 1 Dec. 2024
Verb
Goldenseal and Blood Clotting Medications Goldenseal supplements can interact with some medications, including clotting medicines. Alyssa Hui-Anderson, Verywell Health, 31 Oct. 2024 East Coast port workers on verge of strike for first time in 47 years The International Longshoremen's Association is gearing up for what could be the East Coast's first major port strike since 1977, when the United States' Atlantic ports were clotted up for seven weeks. Nicole Fallert, USA TODAY, 30 Sep. 2024 See all Example Sentences for clot 

Word History

Etymology

Noun

Middle English, from Old English clott; akin to Middle High German klōz lump, ball — more at clout

First Known Use

Noun

before the 12th century, in the meaning defined at sense 1

Verb

15th century, in the meaning defined at intransitive sense 1

Time Traveler
The first known use of clot was before the 12th century

Dictionary Entries Near clot

Cite this Entry

“Clot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clot. Accessed 11 Dec. 2024.

Kids Definition

clot

1 of 2 noun
: a mass or lump made by a liquid (as blood) that thickens and sticks together

clot

2 of 2 verb
clotted; clotting
: to become or cause to become a clot : form clots

Medical Definition

clot

1 of 2 noun
: a coagulated mass produced by clotting of blood

clot

2 of 2 verb
clotted; clotting

intransitive verb

: to undergo a sequence of complex chemical and physical reactions that results in conversion of fluid blood into a coagulum and that involves shedding of blood, release of thromboplastin from blood platelets and injured tissues, inactivation of heparin by thromboplastin permitting calcium ions of the plasma to convert prothrombin to thrombin, interaction of thrombin with fibrinogen to form an insoluble fibrin network in which blood cells and plasma are trapped, and contraction of the network to squeeze out excess fluid : coagulate

transitive verb

: to cause to form into or as if into a clot

More from Merriam-Webster on clot

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