Slideshows Images Quizzes

Copyright © 2018 by RxList Inc. RxList does not provide medical advice, diagnosis or treatment. See additional information.

Definition of Leech

Leech: 1. An aquatic parasite that sucks blood from animals. Leeches play a role in medicine today. See: Leech therapy. 2. (Archaic) A physician or surgeon (because they did so much leeching). 3. A person who behaves as a parasite.

QUESTION

What causes tooth decay? See Answer

Health Solutions From Our Sponsors