/ Thesaurus / M Synonyms of middle c Find synonyms for: Noun1. middle C, note, musical note, toneusage: the note designated by the first ledger line below the treble staff; 261.63 hertzWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language