Growl

Growl (groul), v. i. [imp. & p. p. Growled (grould); p. pr. & vb. n. Growling.] [D. grollen to grunt, murmur, be angry; akin to G. grollen to be angry.] To utter a deep guttural sound, as an angry dog; to give forth an angry, grumbling sound. Gay.

Growl, n. The deep, threatening sound made by a surly dog; a grumbling sound.

Growl, v. t. To express by growling. Thomson.