/ Thesaurus / B Synonyms of brachial plexus Find synonyms for: Noun1. brachial plexus, plexus brachialis, nerve plexususage: a network of nerves formed by cervical and thoracic spinal nerves and supplying the arm and parts of the shoulderWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language