blackboard


noun

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

Trademark.

  1. the brand name of a learning management system, launched in 1998. Abbreviation: Bb

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
n.

1823, from black + board (n.1). Blackboard jungle “inner-city school rife with juvenile delinquency” is from Evan Hunter’s novel title (1954).

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