plural of brood parasite

(ornithology) The practice of laying eggs in the nest of another species (the host species) and allowing the host birds to rear the young, as practised by cowbirds, honeyguides, and most species of cuckoo.

Any substance used to kill parasites.

plural of parasiticide

The state or quality of being parasitical.

Killing parasites.

(medicine, pathology) An extremely rare type of parasitic twinning in which a parasitic twin head with an undeveloped body is attached to the head of a developed twin.