- 寄生生物，寄生体，パラサイト，寄生植物，寄生動物，寄生虫，宿り木，寄生菌 （日本語）
Glossary of "Ecology (6th ed.)" by Krebs (2009)
- an organism that grows, feeds, or is sheltered on or in a different organism while harming its host.
Glossary of "Life (9th ed.)" by Sadava et al. (2011)
- An organism that consumes parts of an organism much larger than itself (known as its host). Parasites sometimes, but not always, kill their host.
Glossary of "A Botanist's Vocabulary" by Pell & Angell (2016)
- Organism that is attached to and draws water and/or nutrients from another organism (the host), may be partially or fully dependent on the host; e.g., Indian pipe (Monotropa uniflora).
"A Dictionary of Ecology, Evolution and Systematics (2nd ed.)" by Lincoln et al. (1998)
- Any organism that is intimately associated with, and metablically dependent upon another living organism (the host) for completion of its life cycle, and which is typically detrimental to the host to a greater or lesser extent.
- Krebs, C. J. 2009. Ecology, 6th ed. -xvi + 655 pp. Pearson Benjamin Cummings, San Francisco.
- Lincoln, R., Boxshall, G. & Clark, P. 1998. A Dictionary of Ecology, Evolution and Systematics. ix + 361 pp. Cambridge University Press, Cambridge.
- Pell, S. K. & Angell, B. 2016. A Botanist's Vocabulary: 1300 Terms Explained and Illustrated. 226 pp. Timber Press, Portland.
- Sadava, D., Hillis, D. M., Heller, H. C. & Berenbaum, M. R. 2011. Life: The Science of Biology, 9th ed. -xliv + 1266 pp. Sinauer Associates, Inc., Sunderland.