ˌ ̷ ̷ ̷ ̷(ˌ) ̷ ̷ˈsefələs noun
Usage: capitalized
Etymology: New Latin, from Proteus, sea god who could assume different shapes (from Latin) + New Latin -cephalus — more at protean
: a very large genus comprising tapeworms parasitic in the intestines of various fishes and being the type of the family Proteocephalidae