Whistler /(?)/

Whis·tler

Whistler

n.
  1. One who, or that which, whistles, or produces or a whistling sound.
  2. The ring ousel. (Zool.) [Prov. Eng.]
  3. The hoary, or northern, marmot (Arctomys pruinosus). (Zool.)
  4. The whistlefish. (Zool.)