Posted on 6th April 2020 by melyn Heyl is the Cornish word for estuary Yes, estuary in Cornish is heyl Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Emperouregek is the Cornish word for imperialisticNext post: Formel is the Cornish word for formal