|delta (děl'tə) Pronunciation Key
A usually triangular mass of sediment, especially silt and sand, deposited at the mouth of a river. Deltas form when a river flows into a body of standing water, such as a sea or lake, and deposits large quantities of sediment. They are usually crossed by numerous streams and channels and have exposed as well as submerged areas.
Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.