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. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: contretemps Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language