- any of various large nematodes parasitic in the kidneys, especially Stephanurus dentatus, found in pigs.
Origin of kidney worm
An Americanism dating back to 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for kidney worm
Historical Examples of kidney worm
In this country the writer has repeatedly observed the kidney-worm in the mink, the dog, and the wolf.