floodplain « Back to Glossary IndexFlat area around a river channel that is filled with water during flooding events. Synonyms: flood plainRelated Articles: 5 Weathering, Erosion, and Sedimentary Rocks11 WaterGlossary: yazoo streamGlossary: crevasse splay« Back to Glossary Index Author: Chris Associate Professor, Salt Lake Community College, Salt Lake City, Utah View all posts by Chris