growling

To utter a deep guttural sound, as an angry animal; to give forth an angry, grumbling sound.

“The dog growled at me as I walked past.”

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.

“The old man growled his displeasure at the postman.”

To play a wind instrument in a way that produces a low-pitched rumbling sound.

A sustained instance of growls or guttural noises.

“The growling from her stomach told us she was hungry.”

The technique of producing a low-pitched growling or rumbling sound on a wind instrument.

Producing a growl.

“The growling dog frightened him.”