GROWL

[verb] - to make a low rough sound, usually in angerThe dog growled and snapped at her ankles as she tried to pass. [I]She has taught her dog to growl at strangers. [I]The sergeant growled out his commands to the troops. [I usually + adverb or preposition]He picked up the letter, looked at it angrily, and then growled, "What's this?" [+ speech]