letterboard
Etymology
From letter + board.
letterboard means A signboard for lettering or text. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
noun
- A signboard for lettering or text.“So reads the new slogan painted on the letterboards of New York City omnibuses.”
- A board marked with letters of the alphabet, used for communication by the disabled.“One of the patients, Leonard L., when he heard of L-DOPA, rapped on his letterboard with mixed enthusiasm and irony, 'Dopamine is Resurrectamine. Cotzias is the Chemical Messiah.'”
- A board on which matter in type is placed for storage or manipulation.