We found 24 dictionaries that define the word thuja:

General (18 matching dictionaries)

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

Computing (1 matching dictionary)

19. Thuja: Encyclopedia

Medicine (4 matching dictionaries)

20. Dorland's Illustrated Medical Dictionary (No longer online)
21. Medical Dictionary (No longer online)
22. online medical dictionary (No longer online)
23. Thuja: Medical dictionary

Science (1 matching dictionary)

24. A Modern Herbal, 1931, by Mrs. M. Grieve (No longer online)

(Note: See thujas as well.)

Definitions from Wiktionary (thuja) ▸ noun:  A tree of the genus Thuja. Similar: genus thuja, thuya, elm tree, thunbergia, white cedar, yellow cedar, akeki, cedar, tea tree, tilia, more... Types: arborvitae, cedar, cypress, juniper, redwood, spruce, more... Phrases: Thuja occidentalis, thuja orientalis, Thuja plicata, genus thuja, thuja oil, more... ▸ Words similar to thuja ▸ Usage examples for thuja ▸ Idioms related to thuja ▸ Wikipedia articles (New!) ▸ Popular adjectives describing thuja ▸ Words that often appear near thuja ▸ Rhymes of thuja ▸ Invented words related to thuja