/ Thesaurus / B Synonyms of bos grunniens Find synonyms for: Noun1. yak, Bos grunniens, ox, wild oxusage: large long-haired wild ox of Tibet often domesticatedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language