flashboard

/ˈflæʃˌbɔrd/
noun
  1. A board or panel that displays information quickly, such as a scoreboard or a screen showing news headlines.
    • He checked the flashboard for the train departure times.
    • The news station uses a flashboard to show breaking headlines.
    • The flashboard at the stadium showed the final score.
  2. A temporary board or barrier used to control the flow of water, as in a dam or canal.
    • The dam's flashboard was removed during the flood to release pressure.
    • They adjusted the flashboard to direct water to the irrigation ditch.
    • Workers installed a flashboard to raise the water level in the canal.
Synonyms
What does "flashboard" mean? | whatsthatwordmean | whatsthatwordmean