- the class comprising the leeches.
Origin of Hirudinea
From New Latin; see origin at hirudinean
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hirudinea
Especially are these to be seen in the more modified Oligochaeta and in the much more modified Hirudinea.
The facts just referred to suggest further comparisons between the Hirudinea and Eudrilidae.
- A class of worms, comprising the leeches that feed on blood and tissue exudates of vertebrates.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.