We found 22 dictionaries that define the word merman:

General (19 matching dictionaries)

1. merman: Merriam-Webster
2. merman: Oxford Learner's Dictionaries
3. merman: American Heritage Dictionary of the English Language
4. merman: Collins English Dictionary
5. Merman, merman: Vocabulary.com
6. Merman, merman: Wordnik
7. merman: Wiktionary
8. merman: Webster's New World College Dictionary, 4th Ed.
9. merman: The Wordsmyth English Dictionary-Thesaurus
10. merman: Infoplease Dictionary
11. Merman, merman: Dictionary.com
12. Merman (album), Merman (disambiguation), Merman (horse), Merman: Wikipedia, the Free Encyclopedia
13. Merman: Online Plain Text English Dictionary
14. merman: Webster's Revised Unabridged, 1913 Edition
15. merman: Rhymezone
16. Merman: AllWords.com Multi-Lingual Dictionary
17. merman: FreeDictionary.org
18. merman: Mnemonic Dictionary
19. Merman: TheFreeDictionary.com

Computing (1 matching dictionary)

20. merman: Encyclopedia

Medicine (1 matching dictionary)

21. online medical dictionary (No longer online)

Slang (1 matching dictionary)

22. merman: Urban Dictionary

(Note: See mermans as well.)

Definitions from Wiktionary (merman) ▸ noun:  A legendary creature, human male from the waist up, fishlike from the waist down. Similar: merfolk, marmennill, seaman, reverse mermaid, mercreature, merboy, mer-creature, mermaid, merbeast, merprince, more... Opposite: mermaid, aquatic woman, semaiden Types: nereid, naiad, siren, triton, mermaid, undine, more... Phrases: Ethel Merman, merman ethel, sang like ethel merman, more... Adjectives: old, young, distinguished, haired, poor, metaphysical, great, little, forsaken, comparative, next ▸ Words similar to merman ▸ Usage examples for merman ▸ Idioms related to merman ▸ Wikipedia articles (New!) ▸ Popular adjectives describing merman ▸ Words that often appear near merman ▸ Rhymes of merman ▸ Invented words related to merman