ashlaring

noun

1. The act of bedding ashlar in mortar.
2. Ashlar when in thin slabs and made to serve merely as a case to the body of the wall.

   “they are also fluted on their under edges, and sunk on their upper sides, projecting about two inches, in general, beyond the ashlaring”

3. The short upright pieces between the floor beams and rafters in garrets.