Couchancy :: Couchancy (n.) State of lying down for repose.
Couchant :: Couchant (v. t.) Lying down with head erect; squatting.
Couchant :: Couchant (v. t.) Lying down with the head raised, which distinguishes the posture of couchant from that of dormant, or sleeping; -- said of a lion or other beast..
Couche :: Couche (v. t.) Not erect; inclined; -- said of anything that is usually erect, as an escutcheon..
Couche :: Couche (v. t.) Lying on its side; thus, a chevron couche is one which emerges from one side of the escutcheon and has its apex on the opposite side, or at the fess point..