Posted on 2nd September 2015 by melyn Tin is the Cornish word for arse Yes, arse in Cornish is tin Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Mengleudhyer is the Cornish word for quarrymanNext post: Parchemin is the Cornish word for parchment