• synonyms


[jee-ahr-dee-uh, jahr-]
  1. any flagellate of the genus Giardia, parasitic in the intestines of vertebrates.
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Origin of giardia

< New Latin, named after Alfred M. Giard (died 1908), French biologist; see -ia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for giardia

Contemporary Examples

Historical Examples

  • Various forms of dysentery or diarrhea have been attributed to infection with Giardia (Lamblia) intestinalis.

    Food Poisoning

    Edwin Oakes Jordan

giardia in Medicine


  1. A genus of flagellated, usually nonpathogenic protozoa that are parasitic in the intestines of vertebrates including humans and most domestic animals.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.