Noun coarctation has 2 senses
  1. constriction, coarctation - tight or narrow compression
    --1 is a kind of compression, condensation, contraction
  2. coarctation - (biology) a narrowing or constriction of a vessel or canal; especially a congenital narrowing of the aorta
    --2 is a kind of
    narrowing
,
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