Definition of Cestoda in US English:


(also Cestoidea)

plural noun

  • A class of parasitic flatworms that comprises the tapeworms.

    • ‘Within the Platyhelminthes, there is little evidence of homology among the amino acid sequences in this region; even within the Cestoda, this region is highly variable.’
    • ‘The medically important flatworms are further divided into the flukes and tapeworms (Cestoda).’
    • ‘The Cestoda, or tapeworms, are intestinal parasites in vertebrates, and they also show anatomical and life history modifications for parasitism.’
    • ‘We analyze and describe here the complete mitochondrial genome sequence of a platyhelminth, the tapeworm (i.e., class Cestoda) Hymenolepis diminuta, and compare aspects of this genome with those already published.’


Modern Latin (plural), from Latin cestus, from Greek kestos, literally ‘stitched’, used as a noun in the sense ‘girdle’.