DELTA


Meaning of DELTA in English

/ ˈdeltə; NAmE / noun

1.

the fourth letter of the Greek alphabet (Δ, δ)

2.

an area of land, shaped like a triangle, where a river has split into several smaller rivers before entering the sea :

the Nile Delta

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WORD ORIGIN

sense 1 Greek , from Phoenician daleth .

sense 2 mid 16th cent.: originally specifically as the Delta (of the River Nile), from the shape of the Greek letter.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.