deviated nasal septum

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun pathology A common physical disorder of the nose, involving a displacement of the nasal septum.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun abnormal shift in location of the nasal septum; a common condition causing obstruction of the nasal passages and difficulty in breathing and recurrent nosebleeds