D defs.my
Entry 1 sense Webster, 1913

Aisle

/īl/ · IPA /aɪ̯l/
01 n. 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 …
  1. 1.
    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 windows, called the clearstory wall.(Arch.)