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flashboard

noun
flash·​board | \ ˈflash-ËŒbȯrd How to pronounce flashboard (audio) \

Definition of flashboard

: one or more boards projecting above the top of a dam to increase the depth of the water

Examples of flashboard in a Sentence

Recent Examples on the Web

 On July 15, the lake level peaked, just inches from the top of the new 8-foot metal flashboards, and less than 7 feet from the top of the dam. — John D'anna, azcentral, "For a while in 1983, sheets of plywood were all that kept the mighty Glen Canyon Dam from overflowing," 18 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flashboard.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of flashboard

circa 1774, in the meaning defined above

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Rhyming Dictionary: Words that rhyme with flashboard

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