tongue worm: Meaning and Definition of

tongue' worm".

Pronunciation: [key]
  1. Also called pentastomid. any wormlike invertebrate of the phylum Pentastomida (or subphylum of Arthropoda), having two pairs of hooks at the sides of the mouth: all are parasitic, some in the respiratory tracts of mammals.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.