An abnormally dilated trachea which may, like bronchiectasis, result from infection or prolonged positive pressure ventilation. ... Origin: tracheo-+ G. Megas (megal-), large ... (05 Mar 2000) ... 
Type: Term Pronunciation: trā′kē-ō-meg′ă-lē Definitions: 1. An abnormally dilated trachea that may, like bronchiectasis, result from infection or prolonged positive pressure ventilation.
tracheomegaly An abnormally dilated trachea which may, like bronchiectasis, result from infection or prolonged positive pressure ventilation.