Definition of coarctation in English:


Pronunciation /ˌkōärkˈtāSH(ə)n/ /ˌkoʊɑrkˈteɪʃ(ə)n/


  • Congenital narrowing of a short section of the aorta.

    ‘coarctation of the aorta’
    • ‘a freshly dilated coarctation’
    • ‘These anomalies include patent ductus arteriosus, vascular ring, and coarctation of aorta.’
    • ‘Peripheral pulses (radial and femoral) also should be measured for rate and rhythm and to rule out coarctation of the aorta.’
    • ‘Now he had a coarctation of the aorta and would probably need major surgery.’
    • ‘The aortic arch was not hypoplastic, and no evidence for coarctation was noted.’
    • ‘The coarctation forces the heart to pump harder to get blood through the aorta and on to the rest of your body.’
    • ‘In all likelihood the coarctation was present at birth.’


Late Middle English from Latin coarctatio(n-), from the verb coarctare (see coarctate).