tewel /ˈtjuːəl/ noun2 •(no longer used) A vent or chimney or pipe, especially one leading into a furnace or bellows.1825 September 29, patent for a Forge and furnace water back and tewel, recorded in A List of Patents Granted by the United States — 1825 •(no longer used) The anus, rectum or posterior.It healeth also cuts, and swelling of the tewel, or fundament, […] — 1550 formstewels