Ectoparasite \Ec`to*par"a*site\, n. (Zo["o]l.) Any parasite which lives on the exterior of animals; -- opposed to {endoparasite}. -- {Ec`to*par`a*sit"ic}, a.
ectoparasite n : any external parasitic organism (as fleas) [syn: {ectozoan}, {ectozoon}, {epizoan}, {epizoon}]