/ Thesaurus / M Synonyms of medicinal leech Find synonyms for: Noun1. medicinal leech, Hirudo medicinalis, leech, bloodsucker, hirudineanusage: large European freshwater leech formerly used for bloodlettingWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penurious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language