Word: riverplains
Part of speech: Noun
Syllables: ri
ver
plains
Definition: Plural of riverplain. The alluvial plain of a river
Morphemes:
Affix: river
Language: en
PoS: Noun
Meaning: A large and often winding stream which drains a land mass, carrying water down from higher areas to a lower point, oftentimes ending in another body of water, such as an ocean or in an inland sea.
Etymology Compounds: Affix: rīpārius
Language: la
Decoded: riparius
Meaning: of a riverbank
Affix: plain
Language: en
PoS: Noun
Meaning: An expanse of land with relatively low relief, usually exclusive of forests, deserts, and wastelands.
Etymology Compounds: Affix: plānum
Language: la
Decoded: planum
Meaning: level ground, a plain
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).