n.
Pronunciation: ' ī (- ə )l
Function: noun
Etymology: Middle English ile, alteration of ele, from Anglo-French, literally, wing, from Latin ala; akin to Old English eaxl shoulder, Latin axis axletree ― more at AXIS
Date: 15th century
1 : the side of a church nave separated by piers from the nave proper
2 a (1) : a passage (as in a theater or railroad passenger car) separating sections of seats (2) : such a passage regarded as separating opposing parties in a legislature <supported by members on both sides of the aisle > b : a passage (as in a store or warehouse) for inside traffic