Definition of mosker in English:

mosker

(also moskur)

verb

dialect, archaic, rare British, Midlands English, Scottish
  • no object To decay, rot; to crumble or moulder away.

Origin

Early 17th century; earliest use found in John Smith (bap. 1580, d. 1631), soldier and colonial governor. Probably from an unattested noun, representing the reflex of a borrowing from early Scandinavian, cognate with Middle Dutch mosch marsh, moss (probably from the same Indo-European base as classical Latin muscus) + -er.

Pronunciation

mosker

/ˈmɒskə/