/ Thesaurus / T Synonyms of target organ Find synonyms for: Noun1. target organ, organusage: (radiology) organ intended to receive the therapeutic dose of a radioactive substanceWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language