from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various small slender reddish freshwater worms of the genus Tubifex, often used as food for tropical aquarium fish.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any member of the genus Tubifex of tubificid annelids.
New Latin Tubifex, genus name : Latin tubus, tube + Latin -fex, maker.(American Heritage® Dictionary of the English Language, Fourth Edition)