Noun: razor-billed auk
- Black-and-white northern Atlantic auk having a compressed sharp-edged bill
"The razor-billed auk's distinctive bill is flattened side-to-side, unlike the puffin's which is flattened top-to-bottom";
- razorbill, Alca torda
Derived forms: razor-billed auks
Type of: auk
Part of: Alca, genus Alca