Word: seatbacks
Part of speech: Noun
Syllables: seat
backs
Definition: Plural of seatback. The usually vertical portion of a chair or similar piece of furniture that supports the back.
Morphemes:
Affix: seat
Language: en
PoS: Noun
Meaning: The horizontal portion of a chair or other furniture designed for sitting.
Affix: back
Language: en
PoS: Noun
Meaning: The backrest, the part of a piece of furniture which receives the human back.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).