Breadcrumb Home > Thesaurus > C Synonyms of conceptus Find synonyms for: Noun 1. embryo, conceptus, fertilized egg, animal, animate being, beast, brute, creature, fauna usage: an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of conceptus (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: terraincognita Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language