əˌpisˌthȯ(r)ˈkīəˌdē noun plural
Usage: capitalized
Etymology: New Latin, from Opisthorchis, type genus + -idae
: a family of digenetic trematodes that are parasitic as adults in the bile ducts of various birds and mammals including man, that are ingested with fish as encysted metacercaria and freed in the digestive tract to make their way into the liver, and that are distinguished by the absence of a cirrus pouch and the presence of the ovary anterior to the testes — see clonorchis , opisthorchis