The American Heritage® Dictionary of the English Language, 4th Edition
n. Any of several diving sea birds (family Alcidae) of northern regions, such as the razor-billed auk, having a chunky body, short wings, and webbed feet.
n. Any of several species of Arctic sea birds of the family Alcidae.
the GNU version of the Collaborative International Dictionary of English
n. A name given to various species of arctic sea birds of the family Alcidæ. The great auk, now extinct, is Alca impennis (or Plautus impennis) . The razor-billed auk is Alca torda. See puffin, guillemot, and murre.
The Century Dictionary and Cyclopedia
n. A diving bird belonging to the family Alcidæ and the order Pygopodes, characterized by having 3 toes, webbed feet, and short wings and tail.
Same as awk.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. black-and-white short-necked web-footed diving bird of northern seas
Word Usage
"On my way out, I take a few pictures of a great auk skeleton on a stand."