Trematoda
Pronunciation: /ˌtrɛməˈtəʊdə/
Definition of Trematoda
noun
Zoology- a class of flatworms that comprises those flukes that are internal parasites. The monogenean flukes are sometimes also placed in this class. See fluke2 (sense 1).
Origin:
modern Latin (plural), from Greek trēmatōdēs 'perforated', from trēma 'hole'