Posted on 11th October 2017 by melyn Jagg is the Cornish word for jar Yes, jar in Cornish is jagg Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Naw is the Cornish word for nineNext post: ‘Go away!’ in Cornish is ‘Ke dhe-ves!’