Dictionary
tu•bi•fex
Pronunciation: (tOO'bu-feks", tyOO'-), [key]—
n.,
—pl. -fex•es, (esp. collectively) -fex.
any common, bottom-dwelling worm of the genus
Tubifex, often used as food for aquarium fish. Also called
red worm. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.