Posted on 31st August 201721st May 2017 by melyn Touna is the Cornish word for tuna Yes, tuna in Cornish is touna Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: ‘As white as snow’ in Cornish is ‘Mar wynn avel ergh’Next post: Reydhel is the Cornish word for sexual