Word: blackback
Part of speech: Noun
Syllables: black
back
Definition: the great black-backed gull.
Morphemes:
Affix: black
Language: en
PoS: Noun
Meaning: Something, or a part of a thing, which is black.
Affix: back
Language: en
PoS: Noun
Meaning: Upper part of a natural object which is considered to resemble an animal's back.