Definition of primost in English:

primost

noun

dialect US, North American, Canadian
  • A Norwegian whey cheese typically made from cow's milk.

Origin

Late 19th century; earliest use found in Freeborn County Standard (Albert Lea, Minnesota). From Norwegian primost from prim kind of whey cheese + ost cheese (from an unattested Germanic derivative (with dental suffix) of the Indo-European base of classical Latin iūs broth, sauce).

Pronunciation

primost

/ˈpriːmɒst/