cestode
Concise Oxford English Dictionary © 2008 Oxford University Press:
cestode /ˈsɛstəʊd/
▶noun Zoology a parasitic flatworm of the class Cestoda; a tapeworm.
– origin from mod. L. Cestoda, from L. cestus, from Gk kestos, lit. ‘stitched’, used as a noun in the sense ‘girdle’.
'cestode' also found in these Oxford entries:

