The Collaborative International Dictionary
hewhole
Yaffle \Yaf"fle\, n. [Probably imitative of its call or cry.] (Zo["o]l.) The European green woodpecker ( Picus viridis syn. Genius viridis). It is noted for its loud laughlike note. Called also eccle, hewhole, highhoe, laughing bird, popinjay, rain bird, yaffil, yaffler, yaffingale, yappingale, yackel, and woodhack.
Wiktionary
hewhole
n. (context UK dialect English) The European green woodpecker.