CWM, a division in the parish of GWYDDELWERN, union of CORWEN, hundred of EDEYRNION, county of MERIONETH, NORTH WALES, comprising the united townships of Aelhaiarn, Bonron, Maesgammedd, Maesgwkii, Myarth, Trebach, and Trefrith, the population of which is returned with the division of Uwchmynydd. This division forms the lower portion of the parish, and the road from Corwen to Ruthin passes through it. The parochial church and illage of Gwyddelwern are situated within its limits. It separately supports its own poor.