coarctation

C3O1A1R1C3T1A1T1I1O1N1
UK/ˌkəʊ.ɑːkˈteɪ.ʃən/UK/ˌkəʊ.ɑːkˈteɪ.ʃn̩/US/ˌkoʊˌɑɹkˈteɪ.ʃən/

noun

A congenital stricture or narrowing of a short section of the aorta.

Similar
stenosisconstriction
OriginLatin coarctātiō →
UncommonScrabble 15
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Meanings

nouncoarctation (countable and uncountable, plural coarctations)

plural coarctations

  1. countableuncountablemedicineA congenital stricture or narrowing of a short section of the aorta.

    Synonyms: stenosis

  2. countableobsoleteuncountableA confinement to a narrow space.

    So likewise the greatest winds, if they have no coarctation, or blow not hollow, give an interior sound

    1627 (indicated as 1626), Francis [Bacon], “II. Century.”, in Sylua Syluarum: Or A Naturall Historie. In Ten Centuries. […], London: […] William Rawley […]; [p]rinted by J[ohn] H[aviland] for William Lee […], →OCLC
  3. countableobsoleteuncountableA pressure; that which presses.

    the vessel will notwithstanding continue still to beat below or beyond the coarctation

    1691, John Ray, The Wisdom of God Manifested in the Works of the Creation. […], London: […] Samuel Smith, […], →OCLC

Synonyms & antonyms

nounA congenital stricture or narrowing of a short section of the aorta.

Similar
stenosis

More synonyms by meaning

nountight or narrow compression

Similar
constriction
Broader
compressioncondensationcontraction
Also see
constriction

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latincoarctātiō“drawing or crowding together”
  2. Englishcoarctation

Borrowed from Latin coarctātiō (“drawing or crowding together”, noun), from coarctō (“to press together, compress, contract, confine”) + -ātiō (“-ation”, action noun suffix); equivalent to coarctate + -ion.

More words from Latin

Full word history & related roots →

Rhymes & wordplay

Rhymes with coarctation

informationeducationlocationapplicationassociationadministrationorganizationcorporationregistrationAsianfoundationcommunicationpopulationnavigationstationaccommodationoperationpublicationvacationtransportationevaluationimplementationinstallationnation
All rhymes →
Cite this entry
APA

coarctation. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/coarctation

MLA

“coarctation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/coarctation. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “coarctation,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/coarctation.

Source: coarctation on Wiktionary, CC BY-SA 4.0.