n.
Pronunciation: ˌ ek-t ō - ' per- ə - ˌ s ī t, - ' pa-r ə -
Function: noun
Etymology: International Scientific Vocabulary
Date: 1861
: a parasite that lives on the exterior of its host
– ec · to · par · a · sit · ic \ - ˌ per- ə - ' si-tik, -pa-r ə - \ adjective