Immanuel means in the bible: God is with us. Also spelled Emmanuel. Name-title in Isa. As a sign God’s deliverance, 7:14 and 8.8. Micah 5;2-3. Matthew Matt specifically identified it. Matthew Matt. 1:18-25 is a prediction of Jesus’ death. This prophecy indicates that Christ, God, will be born into mortality of a virgin. He will then be among those who will save and redeem the people. Christ fulfilled this prophecy. In 2 Ne, the name is revealed in the latter-day revelation. 17:14, 18:8, DC 128; 22:22
(in Bible Dictionary)