tongue worm definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Any of numerous tongue-shaped, soft-bodied, colorless invertebrates of the phylum Pentastoma that live embedded in the lungs, nostrils, or nasal sinuses of various mammals, reptiles, and birds, especially in tropical and subtropical regions. Also called pentastome.
tongue worm - Science Definition
Any of various small, colorless, tongue-shaped, wormlike invertebrates of the group Pentastoma, which is considered by many zoologists to be a phylum intermediate in evolutionary development between the annelids and arthropods. Tongue worms are parasites that live embedded in the respiratory systems of vertebrates, especially reptiles and also humans, in tropical regions. They have simple nervous and digestive systems but lack circulatory and respiratory systems. Also called pentastome.