Ezekiel 40:38
And the chambers and the entries thereof were by the posts of the gates, where they washed the burnt offering.
Cross-reference
Leviticus 1:9
Historical context
Leviticus 1:9 commands washing the burnt offering — this chamber is the place for that prescribed act.
Leviticus 8:21
Historical context
In Leviticus 8:21, Moses washes the burnt offering's entrails — the same washing ritual here.
2 Chronicles 4:6
Parallel
In 2 Chronicles 4:6, basins rinse burnt offerings — echoing the washing function here.