Definitions from Wiktionary (flapper board)
▸ noun: (historical) A mechanical display board, used at railway stations etc., having the text characters on individual flaps that can be rotated to form different messages.
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▸ noun: (historical) A mechanical display board, used at railway stations etc., having the text characters on individual flaps that can be rotated to form different messages.
Similar:
flashboard,
flannelgraph,
flannelboard,
clapper board,
clapperboard,
flakeboard,
clapboard,
fire-board,
posterboard,
billboard,
more...
Opposite:
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▸ Wikipedia articles (New!)
▸ Words that often appear near flapper board
▸ Rhymes of flapper board
▸ Invented words related to flapper board