Pronunciation: ' nü- ˌ ka-s ə l-, ' nyü-; n(y)ü- '
Function: noun
Etymology: Newcastle upon Tyne, England
Date: 1927
: a contagious often fatal virus disease of birds and especially the domestic chicken that is caused by a paramyxovirus (species Newcastle disease virus of the genus Rubulavirus ) and that is marked by respiratory and nervous symptoms