coarctation
NounSynonyms:
constriction
WordNet 3.0
Noun (2)
- tight or narrow compressionSynonyms: constriction
- (biology) a narrowing or constriction of a vessel or canal; especially a congenital narrowing of the aorta
Webster's Dictionary (GCIDE)
Coarctation \Co`arc*ta"tion\, n. [L. coarctatio.]
1.Confinement to a narrow space. [Obs.] --Bacon. [1913 Webster]
2.Pressure; that which presses. [Obs.] --Ray. [1913 Webster]
3.(Med.) A stricture or narrowing, as of a canal, cavity, or orifice. [1913 Webster]