DISTRIBUTARY
distributary
(noun) a branch of a river that flows away from the main stream and does not rejoin it
Source: WordNet® 3.1
Etymology
Adjective
distributary (comparative more distributary, superlative most distributary)
That distributes.
Noun
distributary (plural distributaries)
(hydrology) A stream of water (either natural or artificial) that branches off and flows away from a main stream channel.
Antonym: tributary
Source: Wiktionary
Dis*trib"u*ta*ry, a.
Definition: Tending to distribute or be distributed; that distributes;
distributive.
Source: Webster’s Unabridged Dictionary 1913 Edition