/ Thesaurus / C Synonyms of c horizon Find synonyms for: Noun1. C-horizon, C horizonusage: beneath the B-horizon and above the bedrock; consisting of weathered rockWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language