cellhouse means one of the buildings in a prison that contains cells for the inmates; cellblock.
Etymology
From cell + house.
noun
- One of the buildings in a prison that contains cells for the inmates; cellblock.“Such doorman will work at all times under the direct supervision of the cellhouse keeper and, during his tour of duty, will be responsible for the count of all inmates leaving or entering the cellhouse and for the security of the cellhouse door.”