This is the 229th most frequent Icelandic word.
bæjarstjórn
"Town council" or "municipal council."
Here 'bæjarstjórn' acts as the subject of the sentence, referring to the collective council of the town.
Bæjarstjórn fundaði um umhverfismál á mánudaginn.
The town council held a meeting about environmental issues on Monday.
The word 'bæjarstjórn' is part of the term 'bæjarstjórnarmeðlim', indicating belonging to the town council.
Ég hitti bæjarstjórnarmeðlim á göngunni um helgina.
I met a town council member during my walk over the weekend.
Here, 'bæjarstjórnarinnar' is the genitive singular form, indicating the work relates to the town council.