aortic stenosis: Meaning and Definition of

aor'tic steno'sis

Pronunciation: [key]
— Pathol. Pathol.
  1. abnormal narrowing of the aorta, esp. of its orifice, usually as a result of rheumatic fever or embryologic anomalies.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.