n.
Pronunciation: ' per- ə -s ə - ˌ to ̇ id, - ˌ s ī -, ˌ pa-r ə -
Function: noun
Date: 1922
: an insect and especially a wasp that completes its larval development within the body of another insect eventually killing it and is free-living as an adult
– parasitoid adjective