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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
First recorded in 1760-70; flash + board Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for flashboard
Historical Examples
  • The water poured over the flashboard with a splashing murmur at that distance, and ran down under the bridge in a rocky bed.

  • Thus meditating he drew nearer to the place where the flashboard was down and the water poured into the rocky river bed.

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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