noun
funeral hall; funeral home
A facility where funerals or memorial services are held. The most common modern meaning.
葬儀は午後二時から斎場で行われます。
The funeral will be held at the funeral hall from 2 p.m.
noun
ceremony site; ritual site
A broader, somewhat formal term for a place where any ceremony (not just funerals) is conducted. Often used in religious or official contexts.
See also: 祭場
神社の境内に新たな斎場が設けられた。
A new ceremony site was established within the shrine grounds.