whistler

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. One that whistles: a whistler of popular tunes.
2. n. A marmot (Marmota caligata) of the mountains of northwest North America, having a grayish coat and a shrill, whistling cry.
3. n. Any of various birds that produce a whistling sound.
4. n. A horse having a respiratory disease characterized by wheezing.
5. n. Physics An electromagnetic wave of audio frequency produced by atmospheric disturbances such as lightning, having a characteristically decreasing frequency responsible for a whistling sound of descending pitch in detection equipment.

Century Dictionary and Cyclopedia

1. n. A name used in England for a gadoid fish, Motella tricirrhita.
2. n. One who or that which whistles.
3. n. Specifically.
4. n. The hoary marmot, Arctomys pruinosus, a large marmot found in northerly and western mountainous parts of North America, related to the wood-chuck: a translation of the Canadian French name siffleur.
5. n. The whistlewing.
6. n. The widgeon, Mareca penelope (see whew-duck).
7. n. The ring-ouzel, Merula torquata. See cut under ouzel, 2.
8. n. The green plover or lapwing; the pewit.
9. n. A broken-winded horse; a roarer.
10. n. A piper; one who plays on the pipes.
11. n. The keeper of a shebeen, or unlicensed spirit-shop.

Wiktionary

1. n. Someone or something that whistles.
2. n. A bird that whistles (applied regionally to various specific species).
3. n. A whistling marmot.
4. n. A goldeneye.
5. n. physics An audio-frequency electromagnetic wave produced by atmospheric disturbances such as lightning.

GNU Webster's 1913

1. n. One who, or that which, whistles, or produces or a whistling sound.
2. n. Prov. Eng., Prov. Eng. The ring ousel.
3. n. Prov. Eng. The widgeon.
4. n. The golden-eye.
5. n. The golden plover and the gray plover.
6. n. (Zoöl.) The hoary, or northern, marmot (Arctomys pruinosus).
7. n. (Zoöl.) The whistlefish.

WordNet 3.0

1. n. someone who makes a loud high sound
2. n. large North American mountain marmot
3. n. large-headed swift-flying diving duck of Arctic regions
4. n. United States painter (1834-1903)
5. n. Australian and southeastern Asian birds with a melodious whistling call