The Collaborative International Dictionary of English v.0.48:

Cymric \Cym"ric\ (k?m"r?k), a. [W. Cymru Wales.]
   Welsh. -- n. The Welsh language. [Written also Kymric.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

Cymric
    n 1: a Celtic language of Wales [syn: Welsh, Cymric]