WordWeb Online

1. A low triangular area of alluvial deposits where a river divides before entering a larger body of water
   "the Mississippi River delta"; "the Nile delta"
    
2. An object shaped like an equilateral triangle
    
3. The 4th letter of the Greek alphabet

Derived forms: deltas

Type of: alluvial deposit, alluvial sediment, alluvion, alluvium, alphabetic character, equiangular triangle, equilateral triangle, formation, geological formation, letter, letter of the alphabet

Part of: Greek alphabet

Encyclopedia: Delta, OH