Melkite n 1: an eastern Christian in Egypt or Syria who adheres to the Orthodox faith as defined by the council of Chalcedon in 451 and as accepted by the Byzantine emperor [syn: {Melkite}, {Melchite}] 2: an Orthodox Christian or Uniate Christian belonging to the patriarchate of Alexandria or Antioch or Jerusalem [syn: {Melkite}, {Melchite}]