Word: whitewing
Part of speech: Noun
Syllables: white
wing
Definition: The velvet scoter;  is a large sea duck, which breeds over the far north of Europe and the Palearctic west of the Yenisey basin
Morphemes:
Affix: white
Language: en
PoS: Noun
Meaning: The sclera, white of the eye.
Affix: wing
Language: en
PoS: Noun
Meaning: One of the large pectoral fins of a flying fish.