delta
noun /ˈdeltə/
/ˈdeltə/
- the fourth letter of the Greek alphabet (Δ, δ)
- an area of land, like a triangle in shape, where a river has split into several smaller rivers before entering the sea
- the Nile Delta
Word Originsense 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.