slangen is the masculine singular definite of slange.

slangeN

Kven

1käärmetN; kärmetN

2(f.eks. vannslage eller brannslange)slankiN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:41555Edit on GitHub Suggest

Case	Sg	Pl
Indef	slange	slanger
Def	slangen	slangene