Definify.com
Webster 1913 Edition
Flashboard
Flash′boardˊ
,Noun.
A board placed temporarily upon a milldam, to raise the water in the pond above its usual level; a flushboard.
[U.S.]
Definition 2024
flashboard
flashboard
English
Alternative forms
Noun
flashboard (plural flashboards)
- (US) A board placed temporarily upon a milldam, to raise the water in the pond above its usual level.