hickwall

noun3

1. •
   (UK) A lesser spotted woodpecker (Dryobates minor).
2. •
   (UK) A European green woodpecker (Picus viridis).
3. •
   (UK, no longer used) A blue tit, Cyanistes caeruleus.

   • Tomtit, Blue Tomtit, Nun, Blue-cap, Blue-bonnet, Billy-biter, Hickwall, Blue Mope. One of the most impudent of an impudent lot. — 1861