We found one dictionary that defines the word variable-message signs:

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1. Variable-message signs: Wikipedia, the Free Encyclopedia

▸ Words similar to variable-message signs ▸ Usage examples for variable-message signs ▸ Idioms related to variable-message signs ▸ Wikipedia articles (New!) ▸ Words that often appear near variable-message signs ▸ Rhymes of variable-message signs ▸ Invented words related to variable-message signs