Whis"tler (?), n. [AS. hwistlere.]

1. One who, or that which, whistles, or produces or a whistling sound.

2. (Zoöl.) (a) The ring ousel. (b) The widgeon. [Prov. Eng.] (c) The golden-eye. (d) The golden plover and the gray plover.

3. (Zoöl.) The hoary, or northern, marmot (Arctomys pruinosus).

4. (Zoöl.) The whistlefish.

Whis"tler (?), n. [AS. hwistlere.]

1. One who, or that which, whistles, or produces or a whistling sound.

2. (Zoöl.) (a) The ring ousel. (b) The widgeon. [Prov. Eng.] (c) The golden-eye. (d) The golden plover and the gray plover.

3. (Zoöl.) The hoary, or northern, marmot (Arctomys pruinosus).

4. (Zoöl.) The whistlefish.

• someone or something that whistles
  
• the whistling marmot
  
• the goldeneye
  
• (physics) an audio-frequency electromagnetic wave produced by atmospheric disturbances such as lightning