1. an act of flowing; flow.
  2. the state of being flooded.
  3. flowing or overflowing water, or other liquid.
  4. Mechanics. gradual internal motion or deformation.

Origin of flowage

An Americanism dating back to 1820–30; flow + -age
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for flowage

Historical Examples of flowage

  • A monopoly will give us settled prices and control of the flowage.

  • It is extremely difficult to set limits to the effect of such a flowage.

    Farm drainage

    Henry Flagg French

  • The water power has a fall of eighteen feet and a flowage of about three miles.

    Fifty Years In The Northwest

    William Henry Carman Folsom

  • Flowage is often beautifully expressed by the arrangement of the slender laths of feldspar.

  • On these marshes, wherever the flowage is killing the grass, the vine is rapidly spreading, without transplanting.

    Fifty Years In The Northwest

    William Henry Carman Folsom

British Dictionary definitions for flowage


  1. the act of flowing or overflowing or the state of having overflowed
  2. the liquid that flows or overflows
  3. a gradual deformation or motion of certain solids, such as asphalt, which flow without fracture
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012