Definition of "Friesian"

Friesian

/ˈfɹiːʒən/

noun
plural Friesians
1. A breed of black and white dairy cattle; any indiviual cow of that breed.
  Quotations
  [...] the more expensive and creamier Jersey or South Devon milk, for example, is kept apart from Friesian milk, with its low butter content.
  1959 March, R. C. Riley, “Home with the Milk”, in Trains Illustrated, page 155
2. A black breed of horse.
adjective
comparative more Friesian, superlative most Friesian
1. Of or relating to the work of Swedish mycologist and botanist Elias Magnus Fries, who described and assigned botanical names to hundreds of fungus and lichen species.
  Quotations
  For a hundred years, treatment of the basidiomycetes, which include so many of the larger fungi, has been dominated by the Friesian approach which had—and still has—the attraction of differentiating fungi into groups mainly on field characters.
  1965, C. G. Ainsworth, Frederick K[roeber] Sparrow, Alfred S. Sussman, editors, The Fungi: An Advanced Treatise, volume IVB (A Taxonomic Review with Keys: Basidomycetes and Lower Fungi), New York, N.Y., London: Academic Press, page 3
2. Alternative form of Frisian