A female or young goldeneye duck, Bucephala clangula.
Formerly mistaken for a separate species..
Origin
Late 17th century; earliest use found in John Ray (1627–1705), naturalist and theologian. From French morillon type of duck with black and white plumage from more dark brown + -illon (from -ille + -on: see -oon).
morillon2
/mɒˈrɪlən//məˈrɪlən/
Now chieflyhistorical
noun
Any of several varieties of vine (grown originally in the Burgundy region of France), most notably the Pinot Noir variety.
Origin
Late 17th century; earliest use found in John Evelyn (1620–1706), diarist and writer. From French morillon.