Aisle
Pronunciation : Aisle
Part of Speech : n.
Etymology : [OF. ele, F. aile, wing, wing of a building, L. ala, contr. fr. axilla.] (Arch.) (a) A lateral division of a building, separated from the middle part, called the nave, by a row of columns or piers, which support the roof or an upper wall containing window
Source : Webster's Unabridged Dictionary, 1913