Word: blackbacks
Part of speech: Noun
Syllables: black
backs
Definition: Plural of blackback; 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.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form the plural of nouns that correctly take just an "s" in the plural. See greengrocer’s apostrophe.