Breadcrumb Home > Thesaurus > A Synonyms of alveolus Find synonyms for: Noun 1. alveolus, air sac, air cell, sac usage: a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways 2. tooth socket, alveolus, socket usage: a bony socket in the alveolar ridge that holds a tooth WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of alveolus (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: picaresque Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language