/ Thesaurus / Y Synonyms of yorkshire fog Find synonyms for: Noun1. velvet grass, Yorkshire fog, Holcus lanatus, grassusage: tall European perennial grass having a velvety stem; naturalized in United States and used for forageWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language