|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]|
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