ˌ ̷ ̷ ̷ ̷ˌseˈstȯi(ˌ)dēz noun
Usage: capitalized
Etymology: New Latin, from mes- + Latin cestus girdle + -oïdes -oid — more at cestus
: a genus (the type of the family Mesocestoididae) of atypical unarmed cyclophyllidean tapeworms having the adults parasitic in mammals and birds and a slender threadlike contractile larva free in cavities or encysted in tissues of mammals, birds, and sometimes reptiles