Definition from Wiktionary, the free dictionary
whistler (plural whistlers)
- Someone or something that whistles, or who plays a whistle as a musical instrument.
- A bird that whistles (applied regionally to various specific species).
- A whistling marmot.
- A goldeneye.
- (physics) An audio-frequency electromagnetic wave produced by atmospheric disturbances such as lightning.
- (whistling marmot): hoary marmot
someone or something that whistles
whistling marmot — see hoary marmot