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. (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.