Counter-paly \Coun"ter-pa`ly\ (-p?`l?), a. [F. contre-pal['e].]
(Her.)
Paly, and then divided fesswise, so that each vertical piece
is cut into two, having the colors used alternately or
counterchanged. Thus the escutcheon in the illustration may
also be blazoned paly of six per fess counterchanged argent
and azure.
[1913 Webster]