We found 25 dictionaries that define the word chalkboard:

General (21 matching dictionaries)

1. chalkboard: Merriam-Webster
2. chalkboard: Oxford Learner's Dictionaries
3. chalkboard: American Heritage Dictionary of the English Language
4. chalkboard: Collins English Dictionary
5. chalkboard: Vocabulary.com
6. Chalkboard, chalkboard: Wordnik
7. chalkboard: Cambridge Advanced Learner's Dictionary
8. chalkboard: Wiktionary
9. chalkboard: Webster's New World College Dictionary, 4th Ed.
10. chalkboard: The Wordsmyth English Dictionary-Thesaurus
11. chalkboard: Infoplease Dictionary
12. chalkboard: Dictionary.com
13. chalkboard: Cambridge Essential American English Dictionary
14. Chalkboard (typeface), Chalkboard: Wikipedia, the Free Encyclopedia
15. chalkboard: Rhymezone
16. chalkboard: FreeDictionary.org
17. chalkboard: Mnemonic Dictionary
18. chalkboard: TheFreeDictionary.com
19. chalkboard: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

20. Construction Term Glossary (No longer online)

Computing (1 matching dictionary)

21. Chalkboard (disambiguation), chalkboard: Encyclopedia

Miscellaneous (1 matching dictionary)

22. Brilliant Dream Dictionary (No longer online)

Slang (1 matching dictionary)

23. chalkboard: Urban Dictionary

(Note: See chalkboards as well.)

Definitions from Wiktionary ( ) ▸ noun:  A slate or enamel board for writing on with chalk; a predecessor to a whiteboard. ▸ verb:  To write or draw on a chalkboard. Similar: blackboard, slate, whiteboard, board, chalk, markerboard, greenboard, writing board, greaseboard, tabula, more... Types: blackboard, whiteboard, dry-erase board, more... Phrases: Chalkboard scraping, nails on chalkboard, nails on a chalkboard, more... Adjectives: small, large, green, portable, magnetic, big, front, black, electronic, little, blank Colors:     black,     green,     dark green,     slate gray,     charcoal, more... ▸ Words similar to chalkboard ▸ Usage examples for chalkboard ▸ Idioms related to chalkboard ▸ Wikipedia articles (New!) ▸ Popular adjectives describing chalkboard ▸ Words that often appear near chalkboard ▸ Rhymes of chalkboard ▸ Invented words related to chalkboard