chalkboard

[ chawk-bawrd, -bohrd ]
/ ˈtʃɔkˌbɔrd, -ˌboʊrd /

noun

a blackboard, especially a green or other light-colored one.

Origin of chalkboard

An Americanism dating back to 1935–40; chalk + board
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for chalkboard

British Dictionary definitions for chalkboard

chalkboard
/ (ˈtʃɔːkˌbɔːd) /

noun

US and Canadian a hard or rigid surface made of a smooth usually dark substance, used for writing or drawing on with chalk, esp in teachingAlso called (in Britain and certain other countries): blackboard
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012