PARASITIC; PARASITICAL Par`a*sit"ic, Par`a*sit"ic*al, a. Etym: [L. parasiticus, Gr. parasitique.]
1. Of the nature of a parasite; fawning for food or favors; sycophantic. "Parasitic preachers." Milton.
2. (Bot. & Zoöl.)
Defn: Of or pertaining to parasites; living on, or deriving nourishment from, some other living animal or plant. See Parasite, 2 & 3. Parasitic gull, Parasitic jager. (Zoöl.) See Jager. — Par`a*sit"ic*al*ly, adv. — Par`a*sit"ic*al*ness, n.
PARASITICIDE
Par`a*sit"i*cide, n. Etym: [Parasite + L. caedere to kill.]
Defn: Anything used to destroy parasites. Quain.
PARASITISM
Par"a*si`tism, n. Etym: [Cf. F. parasitisme.]
1. The state or behavior of a parasite; the act of a parasite. "Court parasitism." Milton.
2. (Bot. & Zoöl.)
Defn: The state of being parasitic.