It then crouches, droops its wings, and lowers its tail. A chin that droops over the jawline is called a ptotic chin. As the female flowers develop into seeds (achenes), the stalk droops or nods downwards. The falciform ligament droops down from the hilum of the liver. The female lowers her tail and droops her wings to signal acceptance. The tail often curls over the dog's back or droops. Once he lands, he spreads his tail and droops his wings. Ulises is recognized by his dorsal fin, which only droops halfway to his right. When calling, the bird bows and droops its wings. This was a non-standard procedure, and shortly afterward he also retracted the leading-edge droops. Whenever he lies, his face droops down onto the floor. In flight, the head droops more than in similar aquatic birds. The thoroughbred droops his ears; for a long time now no one has used him.