-ˈfī(ˌ)ēz noun
Usage: capitalized
Etymology: New Latin, from Late Greek heterophyēs of different nature, from Greek heter- + phyē growth, nature; akin to Greek phyein to bring forth — more at be
: a genus (the type of the family Heterophyidae) of small digenetic trematode worms infesting the small intestine of dogs, cats, and man in Egypt and much of tropical Asia