|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
|1.||a passageway separating seating areas in a theatre, church, etc; gangway|
|2.||a lateral division in a church flanking the nave or chancel|
|3.||informal rolling in the aisles (of an audience) overcome with laughter|
|[C14 ele (later aile, aisle, through confusion with isle (island)), via Old French from Latin āla wing]|
portion of a church or basilica that parallels or encircles the major sections of the structure, such as the nave, choir, or apse (aisles around the apse are usually called ambulatories). The aisle is often set off by columns or by an arcade.
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