[tu.bi.fex] n [NL Tubific-, Tubifex, fr. L tubus tube + facere to make--more at do] (1948): any of a genus (Tubifex) of slender reddish oligochaete worms that live in tubes in fresh or brackish water and are widely used as food for aquarium fish
TUBIFEX
Meaning of TUBIFEX in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012