Definition of "fluviatile" [flu•vi•a•tile]

• Fluvial. (adjective)

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.

• "All the rocks are of Pliocene or Pleistocene, fluviatile origin, and consist mainly of sandstones, conglomerates, quartzites, shales and micaceous sandstone."
• "Approximately 1 billion years ago, large deposits of fluviatile sediments covered much of the northern savannas of Australia, forming sandstone plateaus."
• "The soils of this ecoregion are all of fluviatile origin, except for the Coastal Barrier Islands that consist of marine sand overlain with an organic surface layer."