¹ Source: wiktionary.com
Medical Definition of Laryngotracheitis
1. Inflammation of both larynx and trachea. Avian infectious laryngotracheitis, a severe, specific, infectious disease of chickens and other birds, caused by avian herpesvirus 1; manifested by severe haemorrhagic inflammation of the trachea and upper air passages. (05 Mar 2000)