Posted on 18th April 2012 by melyn Plastra is the Cornish word for plaster Yes, plaster in Cornish is plastra Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Karnedh is the Cornish word for cairnNext post: Kaktus is the Cornish word for cactus