Breadcrumb Home > Thesaurus > S Synonyms of speculum Find synonyms for: Noun 1. speculum, mirror usage: a mirror (especially one made of polished metal) for use in an optical instrument 2. speculum, medical instrument usage: a medical instrument for dilating a bodily passage or cavity in order to examine the interior WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of speculum (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language