Skip to Content


Pronunciation: lech


  1. A bloodsucking aquatic annelid worm (genus Hirudo, class Hirudinea) sometimes used in medicine for local withdrawal of blood.
  2. To treat medically by applying leeches.

[A.S. laece, a physician; a leech, because of its therapeutic use]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.