razorbill auk

razor-billed auk

noun

a common auk, Alca torda, of the North Atlantic, having a thick laterally compressed bill with white markings

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012