Entry 1 sense Webster, 1913 Parasita /(păr`ȧ*sī"tȧ)/ · Par·a·si·ta · IPA 01 n. pl. An artificial group formerly made for parasitic insects, as lice, ticks, mites, etc. 1. An artificial group formerly made for parasitic insects, as lice, ticks, mites, etc.(Zool.)