festningene is the masculine plural definite of festning.

festningN

Kven

fästinkiN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:14140Edit on GitHub Suggest

ladniN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:212184Edit on GitHub Suggest

Case	Sg	Pl
Indef	festning	festninger
Def	festningen	festningene