Definition of rice chewing in English:

rice chewing

noun

  • The chewing of rice by an accused person as part of a test to determine his or her guilt.

    This practice is recorded in various cultures and with varying indications of guilt; these include being unable to swallow the rice, being unable to spit out the rice, and the presence of blood in the saliva when it is spat out.

Origin

Mid 19th century.