Fri·sian (fr?zh??n, fr??zh?n) also Frie·sian (fr??zh?n)n.1. A native or inhabitant of the Frisian Islands or Friesland.2. The West Germanic language of the Frisians. It is the language most closely related to English.[From Latin Fr?si?, the Frisians, of Germanic origin.]Fri?sian adj.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.Frisian (?fr???n) or Friesiann1. (Languages) a language spoken in the NW Netherlands, parts of N Germany, and adjacent islands, belonging to the West Germanic branch of the Indo-European family: the nearest relative of the English language; it has three main dialects2. (Peoples) a native or inhabitant of Friesland or a speaker of the Frisian language3. (Languages) a native or inhabitant of Friesland or a speaker of the Frisian languageadj4. (Languages) of or relating to the Frisian language or its speakers5. (Peoples) of or relating to the Frisian language or its speakers6. (Placename) of or relating to Friesland or its peoples and culture7. (Languages) of or relating to Friesland or its peoples and culture8. (Peoples) of or relating to Friesland or its peoples and culture[C16: from Latin Fr?si? people of northern Germany]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Fri?sian (?fr?? ?n, ?fri ??n) also Friesian n. 1. a member of a people of the North Sea coast. 2. the West Germanic language of the Frisians. adj. 3. of or pertaining to Friesland, the Frisians, or the language Frisian. [1590?1600;