Definition of flashboard in English:

flashboard

Line breaks: flash|board

noun

A board used for sending more water from a mill dam into a mill race.
More example sentences
  • Collecting activities were seriously curtailed in the 1930s when two flashboards, or risers, were added to the top of the extant concrete dam.

Definition of flashboard in:

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Word of the day ween
Pronunciation: wiːn
verb
be of the opinion; think or suppose