Meanings
plural flapper boards
- historicalA mechanical display board, used at railway stations etc., having the text characters on individual flaps that can be rotated to form different messages.
Cite this entry
flapper board. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/flapper%20board
“flapper board.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/flapper%20board. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “flapper board,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/flapper%20board.
Source: flapper board on Wiktionary, CC BY-SA 4.0.