leiren is the masculine singular definite of leir.

leirN

Kven

1leiriN

2saviN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:43800Edit on GitHub Suggest

leairaN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:231279Edit on GitHub Suggest

Case	Sg	Pl
Indef	leir	leirer
Def	leiren	leirene