aroko

Noun

 * 1) In traditional Yoruba society, a symbolic message sent as a form of communication between two entities. The purpose of the àrokò was to send a secret message in which only the two entities communicating would understand what the contents of the àrokò meant.
 * (This symbolic message means that the Alaafin should either abdicate or commit ritual suicide)
 * 1) symbol, sign
 * 1) symbol, sign