noun South Midland and Southern U.S.
Origin of mouth harp
Examples from the Web for mouth harp
One of them has a mouth-harp which he plays upon, now and then opening his hands hollowed around the instrument.Back Home|Eugene Wood
When he dropped the mouth-harp, he lay very still for a time, though his lips moved incessantly.
Finally he complained that he could not find his mouth-harp.