Synonyms for Rain cloud:

• n.

  •cloud (noun)
  • stratus,
  • haze,
  • vapor,
  • nimbus,
  • cumulo-cirro-stratus,
  • Cirro-cumulus,
  • cumulus,
  • Cirro-stratus,
  • cumulo-cirrus,
  • mist,
  • Strato-cumulus,
  • cumulo-stratus,
  • cirro-velum,
  • cumulo-nimbus,
  • cirrus,
  • thundercloud,
  • Thunderhead.