delta A triangle-shaped piece of land formed when sand and soil are deposited at the mouth of a river.
(A triangle-shaped piece of land; formed; T:when sand and soil are deposited at the mouth of a river) (sand and soil; are deposited; at the mouth of a river)
A triangle-shaped piece of land sand and soil
formed are deposited
T:when sand and soil are deposited at the mouth of a river
at the mouth of a river