blackboard

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

noun

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

Origin of blackboard

First recorded in 1815–25; black + board

Definition for blackboard (2 of 2)

Blackboard Learn
[ blak-bawrd lurn, ‐bohrd ]
/ ˈblækˌbɔrd ˌlɜrn, ‐boʊrd /

Trademark.

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

Example sentences from the Web for blackboard

British Dictionary definitions for blackboard

blackboard
/ (ˈblækˌbɔːd) /

noun

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