Definition of moss-crop in English:

moss-crop

Pronunciation /ˈmɒskrɒp/

noun

dialect British, Scottish
  • Any of several grasses which grow in boggy or marshy areas; specifically (a) cotton grass, especially Eriophorum vaginatum or E. angustifolium ; (b) silverweed, Potentilla anserina (obsolete).

Origin

Late 15th century; earliest use found in Catholicon Anglicum: an English-Latin wordbook. From moss + crop.