This word is one of the very few which are listed in their plural form in this dictionary, because that's the way it was provided. It should be safe to assume that beq pa' literally means "crew quarter" in its singular form.
Cite this entry
Definition of {beq pa'mey}
from the Klingon Language Wiki:
https://klingon.wiki/Word/BekPa-mey
Retrieved 23 Mar 2023