Norwegian Bokmål
Noun
ulyd m (definite singular ulyden, indefinite plural ulyder, definite plural ulydene)
-  a noise (usually unpleasant or unwanted)
 
References
-  “ulyd” in The Bokmål Dictionary.
 
 
Norwegian Nynorsk
Etymology
From u- + lyd
Alternative forms
Noun
ulyd m (definite singular ulyden, indefinite plural ulydar, definite plural ulydane)
-  a noise (as above)
 
References
-  “ulyd” in The Nynorsk Dictionary.