adv. In a whistling manner; shrilly. [ 1913 Webster ]
a. & n. from Whistle, v. [ 1913 Webster ]
Whistling buoy. (Naut.)
Whistling coot (Zool.),
Whistling Dick. (Zool.)
Whistling duck. (Zool.)
Whistling eagle (Zool.),
Whistling plover. (Zool.)
Whistling snipe (Zool.),
Whistling swan. (Zool.)
Whistling teal (Zool.),
Whistling thrush. (Zool.)