king cake /kɪŋ keɪk/ noun1 •A decorative cake distributed among friends or visitors on Epiphany. In many traditions it contains a pea, a trinket or some other small object which entitles its finder to be the "king" for one day.Local custom dictates that Carnival has its official beginning when a debutante at her “coming out” ball finds a golden bean in her slice of king cake at the Twelfth Night Revelers’ Ball. — 2006 formsking cakes