- The roundworm, Ascaris lumbricoides.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for lumbricus
Some of the Annelida, as Filaria and Lumbricus, he also regarded as insects.An Introduction to Entomology: Vol. IV (of 4)
When contracted, this Lumbricus terrestris was barely an inch in length.
With his eighty-five, apart from external operations lawful or not, Mr. Parnell can act as a sort of lumbricus in the House.The Short Works of George Meredith
The proper habitat of the lumbricus is the upper and middle part of the small intestine.
Linnaeus recognized only one species of earthworm and named it Lumbricus terrestris.