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WORDNET DICTIONARY
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WORDNET DICTIONARY
Noun flashboard has 1 sense
- flashboard(n = noun.artifact) flashboarding - boarding place along the top of a dam to increase its height; is a kind of boarding
CIDE DICTIONARY
flashboard, n.
A board placed temporarily upon a milldam, to raise the water in the pond above its usual level; a flushboard. [1913 Webster]