Definition of "upriver" []

• Toward or near the source of a river; in the direction opposite to that of the current: rowing upriver; upriver rapids. (adverb)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Records say it was built roughly a year after Britain's King James sent a crew of around 100 men, including Captain John Smith, to establish an outpost 40 miles upriver from the mouth of the Chesapeake Bay."
• "Interestingly, American shad do not feed on their journey upriver from the Atlantic Ocean."
• "More than 400,000 gallons of thick industrial fuel oil spilled just upriver from the Crescent City Connection in the collision early Wednesday morning between a tanker and a barge being pulled by a tugboat."