We found 19 dictionaries that define the word orth:

General (12 matching dictionaries)

1. orth-: Merriam-Webster
2. orth: Oxford Learner's Dictionaries
3. orth-: American Heritage Dictionary of the English Language
4. Orth, orth-, orth-: Collins English Dictionary
5. Orth, orth: Wordnik
6. orth-: Wiktionary
7. orth-: Infoplease Dictionary
8. orth, orth, orth-: Dictionary.com
9. Orth: Wikipedia, the Free Encyclopedia
10. Orth: Rhymezone
11. orth, orth-: MyWord.info
12. Orth, orth-: TheFreeDictionary.com

Art (1 matching dictionary)

13. orth-: A Cross Reference of Latin and Greek Elements

Medicine (1 matching dictionary)

14. orth(o)-: Medical dictionary

Miscellaneous (3 matching dictionaries)

15. ORTH: Acronym Finder
16. AbbreviationZ (No longer online)
17. orth: Idioms

Science (1 matching dictionary)

18. Glossary of Roots of Botanical Names (No longer online)

Slang (1 matching dictionary)

19. orth: Urban Dictionary

Definitions from WordNet (Orth) ▸ name:  A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #4894) Phrases: Zak Orth, Maureen Orth, orth var, more... Adjectives: young, certain, colfax, spanish, armenian ▸ Words similar to orth ▸ Usage examples for orth ▸ Idioms related to orth ▸ Wikipedia articles (New!) ▸ Words that often appear near orth ▸ Rhymes of orth ▸ Invented words related to orth