Parasite is an organism that derives its nourishment from a living plant or animal host. A parasite does not necessarily cause disease.
Webster Dictionary Meaning
- A plant obtaining nourishment immediately from other plants to which it attaches itself, and whose juices it absorbs; -- sometimes, but erroneously, called epiphyte.
- A plant living on or within an animal, and supported at its expense, as many species of fungi of the genus Torrubia.
- An animal which lives during the whole or part of its existence on or in the body of some other animal, feeding upon its food, blood, or tissues, as lice, tapeworms, etc.
- An animal which steals the food of another, as the parasitic jager.
- An animal which habitually uses the nest of another, as the cowbird and the European cuckoo.
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