Ashler

1. n. In the United States especially, a thin facing of squared and dressed stone upon a wall of rubble or brick.
2. n. Hewn or squared stone; also, masonry made of squared or hewn stone.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.