/ Thesaurus / N Synonyms of nervus phrenicus Find synonyms for: Noun1. phrenic nerve, nervus phrenicus, spinal nerve, nervus spinalisusage: one of a pair of nerves that arises from cervical spinal roots and passes down the thorax to innervate the diaphragm and control breathingWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language