What is the meaning of Congregation?

The act of congregating or collecting together.

A gathering of faithful in a temple, church, synagogue, mosque or other place of worship, especially those present at a devotional service or who regularly attend such services, particularly in contrast to the leadership, choir or others.

A Roman Congregation, a main department of the Vatican administration of the Catholic Church.

A corporate body whose members gather for worship, or the members of such a body.

Any large gathering of people.

A flock of various birds, such as plovers or eagles.

A group of alligators or crocodiles.

The main body of university staff, comprising academics, administrative staff, heads of colleges, etc.

Source: wiktionary.org