Wooded hollow (4)
(Other definitions for dingle that I've seen before include "Dell" , "Small wooded hollow, in Kerry?" , "little wooded hollow" , "wood being low" , "West Kerry town" .)
'wooded hollow' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for dell that I've seen before include "Small valley; computer company" , "Small secluded valley" , "Small wooded hollow or valley" , "Small valley, rhymes with tumbled down" , "Farmer's place, in song" .)