A large wooden board, a tablet of papier-maché, etc., painted black, and used in schools and lecture-rooms to draw or write upon with chalk.
1823. Pillans, Contrib. Cause Educ. (1856), 378. A large black board served my purpose…. On it I wrote in chalk the Greek letters.
1835. Musical Libr., Supp., Aug., 77. The assistant wrote down the words … on a blackboard.
1846. Rep. Inspect. Schools, I. 147. The uses of the black board are not yet fully developed.
