shearbill

From shear +‎ bill.

shearbill (plural shearbills)

1. A seabird, the black skimmer.
   • 1971, Poul Anderson, The Queen of Air and Darkness:

     His cheeks thus pulled into shadow while the light flickered across nose and brow, he looked disquietingly like a shearbill about to stoop on prey.

• hairbells, shillaber