Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun floodplain

1 sense of floodplain

Sense 1
floodplain, flood plain -- (a low plain adjacent to a river that is formed chiefly of river sediment and is subject to flooding)
       => plain, field, champaign -- (extensive tract of level open land; "they emerged from the woods onto a vast open plain"; "he longed for the fields of his youth")