'Chambers' in the Bible

for the four chief gatekeepers who were Levites, were in an office of trust, and were over the chambers and over the treasuries in the house of God.

Now these are the singers, heads of fathers’ households of the Levites, who lived in the chambers of the temple free from other service; for they were engaged in their work day and night.

For their office is to assist the sons of Aaron with the service of the house of the Lord, in the courts and in the chambers and in the purifying of all holy things, even the work of the service of the house of God,