1. (noun)aisle a long narrow passage (as in a cave or woods) Synonyms: gangway
2. (noun)aisle, gangway passageway between seating areas as in an auditorium or passenger vehicle or between areas of shelves of goods as in stores Synonyms: gangboard, gangway, gangplank, aisle
3. (noun)aisle part of a church divided laterally from the nave proper by rows of pillars or columns Synonyms: gangway