Definitions
1.NounSomeone or something that whistles, or who plays a whistle as a musical instrument.
2.NounAny of several passerine birds of the genera Pachycephala and Coracornis, of Australasia and the western Pacific.
3.NounAny bird that whistles or is noted for its whistling vocalisations (applied regionally to various specific species).
4.NounA goldeneye (any of certain ducks of genus Bucephala).
5.NounA whistling marmot (Marmota caligata).
6.NounA mountain beaver (Aplodontia rufa).
7.NounAn audio-frequency electromagnetic wave produced by atmospheric disturbances such as lightning.
8.NounA broken-winded horse.
9.NounThe keeper of a whistling shop, or shebeen.