We found 6 dictionaries that define the word amphioxi:

General (5 matching dictionaries)

1. amphioxi: Merriam-Webster
2. amphioxi: Collins English Dictionary
3. amphioxi: Wiktionary
4. amphioxi: Dictionary.com
5. Amphioxi: Wikipedia, the Free Encyclopedia

Medicine (1 matching dictionary)

6. amphioxi: Merriam-Webster Medical Dictionary

(Note: See amphioxus as well.)

Definitions from Wiktionary (amphioxus) ▸ noun:  The lancelet, particularly of the genus Branchiostoma. ▸ Also see amphioxus ▸ Words similar to amphioxi ▸ Usage examples for amphioxi ▸ Idioms related to amphioxi ▸ Wikipedia articles (New!) ▸ Popular adjectives describing amphioxi ▸ Words that often appear near amphioxi ▸ Rhymes of amphioxi ▸ Invented words related to amphioxi