Couchant

couchant \KOU-chuhnt\, adjective:

1. Lying down; crouching; reclining.

2. Heraldry . (Of an animal) represented as lying on its stomach with its hind legs and forelegs pointed forward.

Quotes:-
Winding through a noble valley, we presently came to Bello's palace, couchant and bristling in a grove.
-- Herman Melville, Mardi: And a Voyage Thither
Or again, have you ever watched fine collie dogs couchant at twenty yards' distance?
-- Virginia Woolf, Jacob's Room
Couchant is the ancestor of the Middle French coucher, "to lay or lie down." Couch has a similar etymology.