The term for the western arm of a basilican church is referred to as the Nave. In the architectural layout of a basilica, the nave is the central part of the church, extending from the entrance to the chancel, and it is typically surrounded by aisles. It serves as the main area for congregational seating, providing a space for the congregation to gather during services.
The nave is significant because it is often where the most activity occurs, such as services and ceremonies, making it a focal point within the church structure. In many traditional basilican designs, the nave is also characterized by its height and often features large windows to allow light to flood into the space, creating a sense of openness and community.
Understanding the function and placement of the nave within the overall structure of a basilica illustrates how church architecture reflects both liturgical needs and communal practices in worship.