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[flash-bawrd, -bohrd] /ˈflæʃˌbɔrd, -ˌboʊrd/
noun, Civil Engineering
a board, or one of a series of boards, as on a milldam, used to increase the depth of the impounded water.
Origin of flashboard
1760-70; flash + board Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for flashboard
  • Prefabricated inlet and inline box type flashboard risers.
  • More substantial structures are formed using earthen-berms or flashboard structures.
  • Commercially available structures offer either stacked flashboard risers or floats to adjust this water level.
  • flashboard type risers can be full-round pipe risers or half-round pipe risers.
  • The flashboard structure consists of wooden boards that are fastened to the dam by metal brackets.
  • To conduct slow drawdowns with flashboard risers, boards are removed one at a time, on intervals of three or four days.
  • There is a problem with the flashboard and its lights.
British Dictionary definitions for flashboard


a board or boarding that is placed along the top of a dam to increase its height and capacity Also called stop log, stop plank
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
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