seraph

1. (biblical) A burning serpent, often winged, with human hands and sometimes feet; one of God's entourage. On Earth, they strike with burning poison; in Heaven, with burning coal. A description can be found at the beginning of Isaiah chapter 6.

2. (post-biblical) A six-winged angel; one of the highest choir or order of angels in Christian angelology, ranked above cherubim, and below God.Examples: "From these uncordial reveries he is roused by a cordial slap on the shoulder, accompanied by a spicy volume of tobacco-smoke, out of which came a voice, sweet as a seraph's"