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parasite

  • noun
  • par·a·site
  • /ˈpæɹəˌsaɪt/

An organism that lives on or in another organism of a different species, deriving benefit from living on or in that other organism, while not contributing towards that other organism sufficiently to cover the cost to that other organism.

Other meanings

  1. A retainer or companion of an ancient Celtic warrior, who praised him in song or poetry at gatherings; a bard.

  2. A component of a composite aircraft which is carried aloft and air-launched by a larger carrier aircraft or mother ship to support the primary mission of the carrier; a parasite aircraft.

Kinds of parasite

  • parasitic plant

Related words

  • ecoparasite
  • alloparasite
  • coproparasite
  • enteroparasite
  • entomoparasite
  • exoparasite
  • haemoparasite
  • holoparasite
  • multiparasite
  • neuroparasite
  • parasitary
  • parasitation

Where this comes from

This definition is adapted from “parasite” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.