Coarctation
Pronunciation : Co`arc*ta"tion
Part of Speech : n.
Etymology : [L. coarctatio.]
Definition : 1. Confinement to a narrow space. [Obs.] Bacon.
2. Pressure; that which presses. [Obs.] Ray.
3. (Med.)
Defn: A stricture or narrowing, as of a canal, cavity, or orifice.
Source : Webster's Unabridged Dictionary, 1913