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Webster 1913 Edition

Noun.

[L.

coarctatio

Confinement to a narrow space.

[Obs.]

Bacon.

Pressure; that which presses.

[Obs.]

Ray.

(Med.)

A stricture or narrowing, as of a canal, cavity, or orifice.

, n.

Confinement; restraint to a narrow space.

Pressure; contraction.

Restraint of liberty.

coarctation ‎(countable and uncountable, plural coarctations)

(medicine) A stenosis, especially of the aorta.
(obsolete) confinement to a narrow space
(Can we find and add a quotation of Francis Bacon to this entry?)
(obsolete) pressure; that which presses
(Can we find and add a quotation of Ray to this entry?)

stenosis — see stenosis