D defs.my
Entry 1 sense Webster, 1913

Ectoparasite

· Ec·to·par·a·site · IPA /ˌɛktəˈpɛɹəˌsaɪt/
01 n. Any parasite which lives on the exterior of animals; -- opposed to endoparasite.
  1. 1.
    Any parasite which lives on the exterior of animals; -- opposed to endoparasite.(Zoöl.)