coarctation Meaning, Definition & Usage

  1. noun tight or narrow compression
    constriction.
  2. noun (biology) a narrowing or constriction of a vessel or canal; especially a congenital narrowing of the aorta

WordNet

Co`arc*ta"tion noun
Etymology
L. coarctatio.
Definitions
  1. Confinement to a narrow space. Obs. Bacon.
  2. Pressure; that which presses. Obs. Ray.
  3. (Med.) A stricture or narrowing, as of a canal, cavity, or orifice.

Webster 1913