[Fri.sian] adj [L Frisius Frisian; akin to OE Frisa, Fresa a Frisian] (1598): of, relating to, or characteristic of Friesland, the Frisians, or Frisian
[2]Frisian n (1601) 1: a member of a people that inhabit principally the Netherlands province of Friesland and the Frisian islands in the North Sea
2: the Germanic language of the Frisian people