flood plain

1. 1.

   a low plain adjacent to a river that is formed chiefly of river sediment and is subject to flooding

   Synonymsfloodplain

   Broaderplain

Questions about flood plain

What does flood plain mean?

flood plain means "a low plain adjacent to a river that is formed chiefly of river sediment and is subject to flooding".

What is another word for flood plain?

Close synonyms include floodplain. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is flood plain a common word?

flood plain is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.