Delta — definition

1. delta (Noun)

delta (Noun) — A low triangular area of alluvial deposits where a river divides before entering a larger body of water. ex. "the Mississippi River delta" ex. "the Nile delta"

delta (Noun) — An object shaped like an equilateral triangle.

delta (Noun) — The 4th letter of the Greek alphabet.

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