A low vocal sound made by some birds.
To make the low vocal sound of some birds.
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.
A low-pitched rumbling sound produced with a wind instrument.
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.