Breadcrumb Home > Thesaurus > B Synonyms of brainstem Find synonyms for: Noun 1. brainstem, brain-stem, brain stem, neural structure usage: the part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of brainstem (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: inmediasres Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language