n. 1. A composition of inflammable materials, which, kindled, is very hard to quench; Greek fire. [ 1913 Webster ]
Brimstone, pitch, wildfire . . . burn cruelly, and hard to quench. Bacon. [ 1913 Webster ]
2. (Med.) (a) An old name for erysipelas. (b) A disease of sheep, attended with inflammation of the skin. [ 1913 Webster ]
3. A sort of lightning unaccompanied by thunder. [ R. ] [ 1913 Webster ]