We found 16 dictionaries that define the word antra:

General (12 matching dictionaries)

1. antra: Merriam-Webster
2. antra: Oxford Learner's Dictionaries
3. antra: American Heritage Dictionary of the English Language
4. antra: Collins English Dictionary
5. antra: Vocabulary.com
6. antra: Wordnik
7. antra: Wiktionary
8. antra: Dictionary.com
9. Antra: Online Plain Text English Dictionary
10. Antra: AllWords.com Multi-Lingual Dictionary
11. antra: FreeDictionary.org
12. antra: TheFreeDictionary.com

Computing (1 matching dictionary)

13. antra: Encyclopedia

Medicine (3 matching dictionaries)

14. antra: Merriam-Webster Medical Dictionary
15. online medical dictionary (No longer online)
16. antra: Medical dictionary

(Note: See antrum as well.)

Definitions from Wiktionary (antrum) ▸ noun:  (biology) A bodily cavity, especially one having bony walls, especially one in the sinuses. ▸ Also see antrum Adjectives: maxillary, small, large, previous, right, accessory, infected, last, normal, diseased, nasal Colors:     midnight blue,     charcoal,     steel blue,     gunmetal,     indigo, more... ▸ Words similar to antra ▸ Usage examples for antra ▸ Idioms related to antra ▸ Wikipedia articles (New!) ▸ Popular adjectives describing antra ▸ Words that often appear near antra ▸ Rhymes of antra ▸ Invented words related to antra