Meaning of bossage

bos•sage

Pronunciation: (bô'sij, bos'ij), [key]
— n. Masonry.
  1. stonework blocked out for later carving.
  2. stonework, as rusticated ashlar, having faces projecting beyond the mortar joints.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.