1. A flat resulting from repeated deposits of alluvial material by running water
   - alluvial plain

Type of: flat

• red baneberry
• red bat
• red bay
• red bearberry
• red beech
• red biddy
• red birch
• red bird's eye
• red blood cell
• red bone marrow
• red Bordeaux
• red brass
• Red Brigades
• red bryony
• red buckeye
• red cabbage
• red campion
• red card
• red carpet
• red cedar
• red cent
• Red China
• red clay
• red Clintonia
• Red Cloud