corbiestep

from WordNet (r) 3.0 (2006)

corbiestep
    n 1: (architecture) a step on the top of a gable wall [syn:
         {corbel step}, {corbie-step}, {corbiestep}, {crow step}]

from The Collaborative International Dictionary of English v.0.48

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}.
   [1913 Webster]