naves is a form of:

Nave



noun
1.
(main part of a church between the side aisles) ល្វែងមុខនៃវិហារ, វិហារ
ENGLISH MEANING
noun
1.
The block in the center of a wheel, from which the spokes radiate, and through which the axle passes; -- called also hub or hob.
2.
The middle or body of a church, extending from the transepts to the principal entrances, or, if there are no transepts, from the choir to the principal entrance, but not including the aisles.
1.
The navel