From Longman Dictionary of Contemporary Englishchalkboardchalk‧board /ˈtʃɔːkbɔːd $ ˈtʃɒːkbɔːrd/ noun [countable] American EnglishSE a blackboard She wrote the day’s menu up on a chalkboard.
Examples from the Corpus
chalkboard• Lunch here features a fixed menu of sandwiches, salads and individual pita bread pizzas alongside a chalkboard of daily specials.• A chalkboard with scribbled house specials changes daily.• She hesitates for a moment at the chalkboard.• Ask another student to stand at the chalkboard and keep track of how much salt you add to the water.• They insisted that the blackboard should be called the chalkboard.• Write their predictions on the chalkboard. 2.• Or check out the chalkboard for daily specials.• Most ideas for invention go no further than the chalkboard. 