Origin of flashboard
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for flashboard
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.
- a board or boarding that is placed along the top of a dam to increase its height and capacityAlso called: stop log, stop plank