Illustrated Architecture Dictionary
A continuous row or layer of stones, tile, brick, shingles, etc., in a wall
Coursed masonry: Masonry construction in which the stones are laid in regular courses, not irregularly as in rough or random stonework
Coursed rubble: Masonry construction in which roughly dressed stones of random size are used, as they occur, to build up courses; the interstices between them are filled with smaller pieces, or with mortar.
See also: Belt course / Stringcourse / Band course ... Dog tooth/saw tooth course
Commonly found in most styles of architecture
Examples from Buffalo architecture: