[ jee-ahr-dee-uh, jahr- ]
/ dʒiˈɑr di ə, ˈdʒɑr- /


any flagellate of the genus Giardia, parasitic in the intestines of vertebrates.

Nearby words

  1. giant water bug,
  2. giant's causeway,
  3. giantess,
  4. giantism,
  5. giaour,
  6. giardiasis,
  7. giauque,
  8. giauque, william francis,
  9. gib,
  10. gib board

Origin of giardia

< New Latin, named after Alfred M. Giard (died 1908), French biologist; see -ia Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for giardia

Medicine definitions for giardia


[ jē-ärdē-ə ]


A genus of flagellated, usually nonpathogenic protozoa that are parasitic in the intestines of vertebrates including humans and most domestic animals.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.