'Angel of the Lord' in the Bible

But while he was thinking of these things, behold, an angel of the Lord appeared to him in a dream, saying, Joseph, son of David, fear not to take Mary your wife, for that which is conceived in her is by the Holy Spirit,

And when Joseph awoke from his sleep, he did as the angel of the Lord had commanded him, and took his wife,

And when they had departed, behold, an angel of the Lord appeared to Joseph in a dream, saying, Arise, and take the young child and his mother, and flee into Egypt, and remain there till I tell you; for Herod will seek the young child to destroy it.

And when Herod had died, behold, an angel of the Lord appeared to Joseph in a dream, in Egypt, saying,

And behold, there was a great earthquake, for an angel of the Lord descending from heaven came and rolled away the stone and sat upon it.

And an angel of the Lord appeared to him, standing on the right side of the altar of incense;

And behold, an angel of the Lord came upon them, and the glory of the Lord shone around them, and they were greatly afraid.

But an angel of the Lord opening the prison doors by night led them out and said,

And an angel of the Lord spoke to Philip, saying, Arise and go to the south, by the way that leads from Jerusalem to Gaza; this is a wilderness.

And behold, an angel of the Lord came, and a light shone in the building; and striking Peter on the side he awoke him saying, Arise quickly. And his chains fell off from his hands.

And an angel of the Lord instantly smote him because he gave not glory to God, and being eaten with worms he expired.