Ra·zor·bill n. Zool. (a) A species of auk (Alca torda) common in the Arctic seas. See Auk, and Illust. in Appendix. (b) See Cutwater, 3.
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Auk n. Zool. 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.
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Alca torda
n : black-and-white northern Atlantic auk having a compressed
sharp-edged bill [syn: razorbill, razor-billed auk]