blackboard

American  

[blak-bawrd, -bohrd] / ˈblækˌbɔrd, -ˌboʊrd /

noun

1. a sheet of smooth, hard material, especially dark slate, used in schools, lecture rooms, etc., for writing or drawing on with chalk.

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blackboard British  

/ ˈblækˌbɔːd /

noun

1. a hard or rigid surface made of a smooth usually dark substance, used for writing or drawing on with chalk, esp in teaching

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Etymology

Origin of blackboard

First recorded in 1815–25; black + board

Example Sentences

His breakthrough came in The Blackboard Jungle in 1955, in the role of a disruptive pupil in an inner-city school.

From BBC • Jan. 7, 2022

The message noted that system updates implemented by Blackboard over the weekend had not corrected technical issues.

From Washington Post • Apr. 20, 2020

He went on to appear in films like "Blackboard Jungle," "Forbidden Planet," "The Tender Trap," "Love Me Tender," "The Last Wagon," "Pollyanna," "Ten Who Dared," "Ride the High Country," among others.

From Fox News • Apr. 6, 2020

Blackboard jungle: After graduation, McGuire joined her husband in Memphis, where he was a school administrator.

From Los Angeles Times • Feb. 28, 2016

Blackboard chalks and crayons, paint-boxes with four to six important colours, some Kindergarten folding papers, all these supply colour.

From The Child under Eight by Murray, E. R. (Elsie Riach)