Venedotian /vɛnɪdˈəʊʃən/adjective 1noun 1forms 1 adjective1 •Of, from, or pertaining to Venedotia or Gwynedd.The thirteenth-century Redaction by Iorwerth ap Madog of the Laws of Hywel has been known as the Venedotian Code ever since Aneurin Owen founded that nomenclature in his Ancient Laws and Institutes of Wales of 1841. noun1 •A native or inhabitant of Venedotia or Gwynedd. formsVenedotians