delta What is the Definition of delta?Noun:a low triangular area of alluvial deposits where a river divides before entering a larger body of wateran object shaped like an equilateral trianglethe 4th letter of the Greek alphabet Other meanings of delta (synonyms, cognates). ENRU delta дельта Frequently viewed: stress meaningbackground meaningdefinition of recognizeworth meaningscript definitiondefinition of filenatural definitionperson meaningdefinition of tailread definitiondefinition of differentlytriangle meaning A B C D E F G H I J K L M N O P Q R S T U V W X Y Z