drainage pattern « Back to Glossary IndexThe shape or form of a river and/or tributary drainage system. Related Articles: 11 WaterGlossary: dendritic drainageGlossary: trellis drainageGlossary: retangular drainageGlossary: radial drainage« Back to Glossary Index Author: Chris Associate Professor, Salt Lake Community College, Salt Lake City, Utah View all posts by Chris