Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adverb Toward or closer to the source of a stream; in the direction opposite to that of the current.
  • adverb At an earlier point in a production process or supply chain.
  • adjective Being or moving closer to the source of a stream; in the direction opposite to that of the current.
  • adjective Earlier in a production process or supply chain.

from The Century Dictionary.

  • To stream, flow, or flame up: as, upstreaming flames.
  • Toward the higher part of a stream; against the current: as, to row up-stream.
  • Of or pertaining to the upper part of a stream; moving against the current.

from the GNU version of the Collaborative International Dictionary of English.

  • adverb Toward the higher part of a stream; against the current.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective in a direction against the flow of a current or stream; upriver
  • adjective oil industry involving exploration and pre-production rather than refining and selling
  • adjective computing in the direction from the client to the server
  • adjective biology towards the leading end (5'end) of a DNA molecule
  • adverb against the current

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adverb toward the source or against the current
  • adjective in the direction against a stream's current

Etymologies

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