Definition of rashing in English:

rashing

noun

US, Welsh English
Coal Mining
  • A loose brittle deposit of shale or poor quality coal. Usually in plural Compare "rash".

adjective

rare
  • That rashes.

Origin

Late 19th century; earliest use found in William S. Gresley (fl. 1883). Probably from rash + -ing. Compare Welsh rasien, rasin, rasyn, of uncertain origin<br>Old English; earliest use found in Hymns. From rash + -ing.

Pronunciation

rashing

/ˈraʃɪŋ/