aisle

A part of a church parallel to the nave and divided from it by piers or columns; a passageway between rows of seats, such as in a church or auditorium. Photo from Sacred Heart Basilica, Hanover, Pennsylvania, 2019. 2. A walkway between or along sections of seats in a theater, auditorium, church, or other place of assembly. (Poppeliers, 1983)
