Definition of rice flakes in English:

rice flakes

noun

  • 1Medicine small fragments of tissue, mucus, etc., especially as found in the urine or faeces of cholera sufferers (now rare or disused).

  • 2A breakfast cereal made from toasted flakes of ground rice; also (in singular) a piece of this cereal.

Origin

Mid 19th century; earliest use found in American Magazine Homoeopathy & Hydropathy.