from M-W:

Main Entry: din.gle
Pronunciation: 'di[ng]-g&l
Function: noun
Etymology: Middle English, deep hollow
Date: 13th century
: a small wooded valley : DELL

I have heard it, not in New England, but in the Lord of the Rings, especially around the Tom Bombadil section, if I'm remembering correctly.




formerly known as etaoin...