What does the word delta mean?

Usage examples for delta

  1. Vessels bound to the port of Canton have to enter the delta of the Pearl River, the area of which is largely occupied with isles and sandbanks. – The Sea: Its Stirring Story of Adventure, Peril, & Heroism. Volume 1 by Frederick Whymper
  2. The previous night he had ordered the Indian pilot to sketch a chart of the coastline on both sides of the Tapti River delta. – The Moghul by Thomas Hoover
  3. And on either side are many sandbars, borne there from the river's delta. – The Moghul by Thomas Hoover