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

Definition categories: object, alluvion, alluvium, formation

2. an object shaped like an equilateral triangle

Definition categories: shape

3. the 4th letter of the Greek alphabet

Definition categories: communication, letter

Sentences with delta as a noun:

- This will slow the main code path down, but only by delta.

- When you update the file, the system will only save the deltas.

- delta winding; delta connection; delta current