An assembly hall is a kind of function hall, a large room used to hold public meetings or meetings of the members of an organization such as a school, church, or deliberative assembly. An example of the last case is the Assembly Hall (Washington, Mississippi) where the general assembly of the state of Mississippi was held. Some Christian denominations call their meeting places or places of worship assembly halls, for example the Salt Lake Assembly Hall. Elders and ministers of Presbyterian churches gather in assembly halls for their general assembly, such as in the General Assembly Hall of the Church of Scotland.
A function hall, reception hall, or banquet hall is a room or building for the purpose of hosting a party, banquet, wedding or other reception, or other social event. Function halls are often found within pubs, clubs, hotels, or restaurants. Some are run by fraternal organizations and rented out as a fundraiser for the organization, for example Masonic Halls. Some condominium associations and apartment buildings have these to keep the noise of parties out of the residential units.
The first recorded mention of "function rooms" is in 1922.
Nightclub Function Room.
Function Room in Melbourne
Chinese banquet hall