Alure
ALURE (O. Fr., from aller, to walk), an architectural term for an alley, passage, the water-way or flat gutter behind a parapet, the galleries of a clerestory, sometimes even the aisle itself of a church. The term is sometimes written valure or valoring.
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)