Posted on 9th June 2014 by melyn Wast is the Cornish word for waist Yes, waist in Cornish is wast Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Disfaverus is the Cornish word for unfavourableNext post: Kedhorek is the Cornish word for pubic