Eider n. : Any species of sea duck of the genus Somateria, esp. Somateria mollissima, which breeds in the northern parts of Europe and America, and lines its nest with fine down (taken from its own body) which is an article of commerce; -- called also eider duck. The American eider (S. Dresseri), the king eider (S. spectabilis), and the spectacled eider (Arctonetta Fischeri) are related species.

Example:
Where to buy Eider down pillows in Italy?

Taxonomy
outdoor clothing, Eider, winter mountain, equipment, Products, Retailers, R & D, Design.

Defination from the web:
EIDER : a full range of mountain wear, equipment and clothing for outdoor, sport winter... Eider. R & D. EIDER. PARC ALTAIS ANNECY. 70 RUE CASSIOPEE. 74650 Chavanod, France. Phone : +33 (0)4 50 10 23 60. Fax. : + 33 (0)4 50 10 23 70. your request. your email ...