We found 19 dictionaries that define the word initials:

General (13 matching dictionaries)

1. initials: Merriam-Webster
2. initials: Oxford Learner's Dictionaries
3. initials: Collins English Dictionary
4. initials: Vocabulary.com
5. Initials, initials: Wordnik
6. initials: Cambridge Advanced Learner's Dictionary
7. initials: Wiktionary
8. initials: Dictionary.com
9. initials: Cambridge Essential American English Dictionary
10. Initials: Wikipedia, the Free Encyclopedia
11. initials: FreeDictionary.org
12. initials: TheFreeDictionary.com
13. initials: Longman Dictionary of Contemporary English

Art (1 matching dictionary)

14. Glossary of Stamp Collecting Terms (No longer online)

Business (2 matching dictionaries)

15. initials: Legal dictionary
16. initials: Financial dictionary

Computing (1 matching dictionary)

17. initials: Encyclopedia

Medicine (1 matching dictionary)

18. initials: Medical dictionary

Slang (1 matching dictionary)

19. The Initials: Urban Dictionary

(Note: See initial as well.)

Definitions from Wiktionary (initials) ▸ noun:  An abbreviation of a person's name, constructed by taking the initial letters of first, last, and sometimes middle name(s). See monogram Similar: first, initialism, alphabetism, acronym, initialist, abbreviature, a.l., acronymy, abecedism, recursive acronym, more... Opposite: full name, given name, surname, last name Types: ASAP, IRA, AIDS, NATO, NASA, FBI, CIA, POTUS, SCOTUS, more... Phrases: fusiform initials, middle initials, ray initials, Initials B.B., baseball scoreboard initials, more... Adjectives: same, own, first, large, historiated, fusiform, middle, ornamental, illuminated, red, decorative ▸ Words similar to initials ▸ Usage examples for initials ▸ Idioms related to initials ▸ Wikipedia articles (New!) ▸ Popular adjectives describing initials ▸ Words that often appear near initials ▸ Rhymes of initials ▸ Invented words related to initials