common house

noun6

1. •
   (no longer used) A guildhall.
2. •
   (no longer used) A town or city hall.
3. •
   (no longer used) The House of Commons.
4. •
   (no longer used) An outhouse.
5. •
   (no longer used) A brothel.
6. •
   (no longer used) The calefactory: the site of the common fire of a medieval monastery.