'Growling' definitions:
Definition of 'growling'
From: WordNet
noun
A gruff or angry utterance (suggestive of the growling of an animal)
noun
The sound of growling (as made by animals) [syn: growl, growling]
Definition of 'Growling'
From: GCIDE
- 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. [1913 Webster]