Word: seatearths
Part of speech: Noun
Syllables: sea
tearths
Definition: Plural of seatearth. The layer of sedimentary rock underlying a coal seam.
Morphemes:
Affix: seat
Language: en
PoS: Noun
Meaning: A place in which to sit.
Affix: earth
Language: en
PoS: Noun
Meaning: The aforementioned soil- or rock-based material, considered one of the .
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).