The Collaborative International Dictionary
crowstep
Corbiestep \Cor"bie*step`\, n. (Arch.) One of the steps in which a gable wall is often finished in place of a continuous slope; -- also called crowstep.
Wiktionary
crowstep
n. (context architecture English) A stair-step type of design at the top of the triangular gable end of a building.
Usage examples of "crowstep".
At times we would pass an ancient lodge, and through a gap in the trees would come a glimpse of chipped crowstep gable.