Word: keisters
Part of speech: Noun
Syllables: kei
sters
Definition: Plural of keister; the fleshy part of the human body that you sit on
Morphemes:
Affix: keister
Language: en
PoS: Noun
Meaning: The anus or buttocks.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).