To make a sound with a low, rumbling noise.
To speak softly and incoherently, or with imperfect articulations.
To utter words, especially complaints or angry expressions, indistinctly or with a low voice and lips partly closed; to say under one's breath.
A repressed or obscure utterance; an instance of muttering.
Peas.
To make a light scratching sound, like a small animal burrowing.
To scratch so as to relieve an itch or irritation.
The act of scratching an itch.
A light scratching sound, like a small animal burrowing.