sirkelen is the masculine singular definite of sirkel.

sirkelN

Kven

sirkkeliN; rinkiN; ymmyräN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:65804Edit on GitHub Suggest

gierduN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:10540Edit on GitHub Suggest

Case	Sg	Pl
Indef	sirkel	sirkler
Def	sirkelen	sirklene