Parasite

par′a-sīt, n. one who frequents another's table: a hanger-on: a sycophant: ( bot. ) a plant growing upon and nourished by the juices of another: ( zool. ) an animal which lives on another—its host.— adjs. Parasit′ic , -al , like a parasite: fawning: acting as a sycophant: living on other plants or animals.— adv. Parasit′ically .— ns. Parasit′icalne ; Parasit′icide , that which destroys parasites; Par′asitism ; Parasitol′ogist ; Parasitol′ogy . [Fr.,—L. parasītus —Gr. parasitos — para , beside, sitos , corn.]