کلماتور
See 1st Pink.
Repressed or obscure utterance.
To sound with a low, rumbling noise.
To utter with imperfect articulations, or with a low voice; as, to mutter threats.
To utter words indistinctly or with a low voice and lips partly closed; esp., to utter indistinct complaints or angry expressions; to grumble; to growl.