- a person or thing that whistles.
- something that makes a sound like a whistle: The windstorm was a 60-mile-an-hour whistler.
- any of various birds whose wings whistle in flight, especially the goldeneye.
- thickhead (def. 2).
- a large marmot, Marmota caligata, of mountainous northwestern North America, closely related to the woodchuck.
- a horse afflicted with whistling.
- a whistling sound heard on a radio, a type of interference caused by distant lightning.
- U.S. painter and etcher, in France and England after 1855.
- a person or thing that whistles
- an atmospheric disturbance picked up by radio receivers, characterized by a whistling sound of decreasing pitch. It is caused by the electromagnetic radiation produced by lightning
- any of various birds having a whistling call, such as certain Australian flycatchers and the goldeneye
- any of various North American marmots of the genus Marmota, esp M. caligata (hoary marmot)
- a horse affected with an abnormal respiratory noise, resembling whistling
- a referee
- James Abbott McNeill. 1834–1903, US painter and etcher, living in Europe. He is best known for his sequence of nocturnes and his portraits
