A low-pitched rumbling sound produced with a wind instrument.
A similar sound made by a human.
The rumbling sound made by a human's hungry stomach.
An aggressive grumbling.
A deep, rumbling, threatening sound made in the throat by an animal.
To play a wind instrument in a way that produces a low-pitched rumbling sound.
To utter a deep guttural sound, as an angry animal; to give forth an angry, grumbling sound.
Of a wind instrument: to produce a low-pitched rumbling sound.
To send a user a message via the Growl software library.
To express (something) by growling.
An audio-frequency electromagnetic wave produced by atmospheric disturbances such as lightning.
The mountain beaver (Aplodontia rufa).
The goldeneye (certain ducks of genus Bucephala).
The whistling marmot (Marmota caligata).
Someone or something that whistles, or who plays a whistle as a musical instrument.
A broken-winded horse.
Any of several passerine birds of the genera Pachycephala and Coracornis, of Australasia and the western Pacific.
Any bird that whistles or is noted for its whistling vocalisations (applied regionally to various specific species).