Définitions
1.AdjectiveToward the lower part of a stream; with the current (of a river, brook, or other flow of fluid).
2.AdjectiveOccurring later than something else; influenced by something else; being a consequence of something else."Input validation is downstream of input entry in the runtime process."
3.AdjectiveIn the direction from the server to the client.
4.AdjectiveTowards the 3′ end of a DNA molecule.
5.AdverbFollowing the path of a river or stream."We spent the day paddling downstream in our canoes.; She lives downstream from the dam."
6.VerbTo stream downward.
7.VerbOf the original developers: to make available (a version or patch) to downstream developers and users of the software.