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blackboard
noun
black·board ˈblak-ˌbȯrd 
: a hard smooth usually dark surface used especially in a classroom for writing or drawing on with chalk
Example Sentences
Recent Examples on the Web In one city school, the first-grade classroom was all ready: tables, chairs, a clean blackboard, the alphabet and numbers hanging on the wall, and Ukrainian flags ready to be distributed to the kids. 
Yesica Fisch, BostonGlobe.com, 1 Sep. 2022 And before a large blackboard choked with Einstein calculations, his scruffy little genius soft-boiled an egg. Robert D. Mcfadden, BostonGlobe.com, 13 Aug. 2022 People would write stuff about us on the blackboard. Calvin Tomkins, The New Yorker, 1 Aug. 2022 That show, which was nominated for a Tony Award for Best Play in 2018, is structured like a classroom lecture, complete with chalk and blackboard. Christopher Arnott, Hartford Courant, 13 June 2022 The catch of the day is listed on blackboard menus and recited by exceptionally amiable waitresses. John Mariani, Forbes, 6 June 2022 To find carvers in town, just listen for the piercing nails-on-a-blackboard sounds. New York Times, 1 June 2022 This eschews the one blackboard classroom paradigm, explains Miles Nelligan, an associate principal at Diller Scofidio + Renfro who oversaw the project. Anne Quito, Quartz, 9 Mar. 2022 In Belfast, the Ulster Museum held an exhibit about the show, including the blackboard from a scene where a group of Catholic girls and some Protestant boys were asked to list their differences at a friends-across-the-barricades youth camp. James Hookway, WSJ, 24 May 2022 See More
Yesica Fisch, BostonGlobe.com, 1 Sep. 2022 And before a large blackboard choked with Einstein calculations, his scruffy little genius soft-boiled an egg. Robert D. Mcfadden, BostonGlobe.com, 13 Aug. 2022 People would write stuff about us on the blackboard. Calvin Tomkins, The New Yorker, 1 Aug. 2022 That show, which was nominated for a Tony Award for Best Play in 2018, is structured like a classroom lecture, complete with chalk and blackboard. Christopher Arnott, Hartford Courant, 13 June 2022 The catch of the day is listed on blackboard menus and recited by exceptionally amiable waitresses. John Mariani, Forbes, 6 June 2022 To find carvers in town, just listen for the piercing nails-on-a-blackboard sounds. New York Times, 1 June 2022 This eschews the one blackboard classroom paradigm, explains Miles Nelligan, an associate principal at Diller Scofidio + Renfro who oversaw the project. Anne Quito, Quartz, 9 Mar. 2022 In Belfast, the Ulster Museum held an exhibit about the show, including the blackboard from a scene where a group of Catholic girls and some Protestant boys were asked to list their differences at a friends-across-the-barricades youth camp. James Hookway, WSJ, 24 May 2022 See More Word History
First Known Use
1739, in the meaning defined above
Time Traveler
The first known use of blackboard was in 1739 👨🏻🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
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