distributary
nounEtymology From distribute + -ary.
1
Geography, Hydrology, Natural sciences A stream of water (either natural or artificial) that branches off and flows away from a main stream channel.
- The bed of the distributary is at a slight elevation above that of the main canal, and in the latter is placed an ordinary check regulator controlled by flashboards […]1894, Herbert Michael Wilson, Engineering Results of Irrigation Survey, U.S. Government Printing Office, page 270:
- The physical condition of the distributary itself is in bad shape due to poor maintenance over longer periods of time, especially in the head reach.1998, Sediment Behavior of Sangro Distributary, Mirpurkhas Sub-division, Sindh, page 6:
1 more example
- […] stretches of blowing sand and frequent changes in course of its distributaries, does not have the dense population characteristic of other alluvial districts in the Indian subcontinent.2001, James R. Penn, Rivers of the World: A Social, Geographical, and Environmental Sourcebook, page 115:
- Derived terms
- interdistributary