Posted on 1st January 2014 by melyn Rathella is the Cornish word for grate Yes, grate in Cornish is rathella Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Medynor is the Cornish word for hingeNext post: Oylek is the Cornish word for oily