COARCTATION

coarctation. Coarctation, n. confinement, restraint, contraction

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Co′arc‐ta″tion (?), n. [[L. coarctatio.]] 1. 1. Confinement to a narrow space. Bacon.
2. 2. Pressure; that which presses. Ray.
3. 3. (Med.) A stricture or narrowing, as of a canal, cavity, or orifice.