Cou'che" (k??`sh?"), a. [F., p. p. of coucher. See Couch, v. t. ] Her. (a)
Not erect; inclined; -- said of anything that is usually erect, as an escutcheon.
(b)
Lying on its side; thus, a chevron couch'e is one which emerges from one side of the escutcheon and has its apex on the opposite side, or at the fess point.
© Webster 1913.