We found 20 dictionaries that define the word exclamation mark:

General (16 matching dictionaries)

1. exclamation mark: Merriam-Webster
2. exclamation mark: Oxford Learner's Dictionaries
3. exclamation mark: Collins English Dictionary
4. exclamation mark: Vocabulary.com
5. exclamation-mark: Wordnik
6. exclamation mark: Cambridge Advanced Learner's Dictionary
7. exclamation-mark, exclamation mark: Wiktionary
8. exclamation mark: The Wordsmyth English Dictionary-Thesaurus
9. exclamation mark: Dictionary.com
10. Exclamation Mark (album), Exclamation mark: Wikipedia, the Free Encyclopedia
11. exclamation mark: Rhymezone
12. exclamation mark: FreeDictionary.org
13. exclamation mark: Mnemonic Dictionary
14. exclamation mark: TheFreeDictionary.com
15. exclamation mark: Longman Dictionary of Contemporary English

Computing (2 matching dictionaries)

16. exclamation mark: Free On-line Dictionary of Computing
17. Exclamation mark (punctuation), exclamation mark: Encyclopedia

Medicine (1 matching dictionary)

18. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)

19. Encyclopedia of Graphic Symbols (No longer online)

(Note: See exclamation_marks as well.)

Definitions from Wiktionary (exclamation mark) ▸ noun:  The punctuation mark “!” (generally used to denote excitement, surprise or shock). Similar: exclamation point, exclamation, note of exclamation, inverted exclamation point, astonisher, bang, mark of admiration, pling, interrobang, question mark, more... Opposite: question mark, period, comma Types: !, ?, !!, !?, more... Adjectives: ooh, ah, exclamatory, exclamative, yell, holler, banzai, conclamant, hallow, shouty, rah-rah ▸ Words similar to exclamation mark ▸ Usage examples for exclamation mark ▸ Idioms related to exclamation mark ▸ Wikipedia articles (New!) ▸ Words that often appear near exclamation mark ▸ Rhymes of exclamation mark ▸ Invented words related to exclamation mark