What is the meaning of Gospel?

noun

• The four books in the New Testament (Matthew, Mark, Luke, and John) that tell the story of Christ's life and teachings.
  • synonyms: Gospels, evangel
• An unquestionable truth.
  • usage: "his word was gospel"
  • synonyms: gospel truth
• Folk music consisting of a genre of a cappella music originating with Black slaves in the United States and featuring call and response; influential on the development of other genres of popular music (especially soul.
  • synonyms: gospel singing
• The written body of teachings of a religious group that are generally accepted by that group.
  • synonyms: religious doctrine, church doctrine, creed
• A doctrine that is believed to be of great importance.
  • usage: "Newton's writings were gospel for those who followed"