n. 刀嘴海雀

[ noun ]
black-and-white northern Atlantic auk having a compressed sharp-edged bill
<noun.animal>

Razorbill \Ra"zor*bill`\ (-b[i^]l`), n. (Zo["o]l.)
(a) A species of auk ({Alca torda}) common in the Arctic
seas. See {Auk}, and Illust. in Appendix.
(b) See {Cutwater}, 3.

Cutwater \Cut"wa`ter\ (k[u^]t"w[add]`t[~e]r), n. (Naut.)
1. The fore part of a ship's prow, which cuts the water.

2. A starling or other structure attached to the pier of a
bridge, with an angle or edge directed up stream, in order
better to resist the action of water, ice, etc.; the
sharpened upper end of the pier itself.

3. (Zo["o]l.) A sea bird of the Atlantic ({Rhynchops nigra});
-- called also {black skimmer}, {scissorsbill}, and
{razorbill}. See {Skimmer}.