matrest - Wiktionary, the free dictionary
From Wiktionary, the free dictionary

matrest m (definite singular matresten, indefinite plural matrester, definite plural matrestene) (mainly in plural form)
matrest m (definite singular matresten, indefinite plural matrestar, definite plural matrestane) (mainly in plural form)
- “matrest” in The Nynorsk Dictionary.