flaming sword

Short definition from Wiktionary

Noun

1. 1
   A metal sword wreathed in or emitting flames, appearing as a symbol or supernatural weapon in many mythologies.
2. 2
   A sword with a blade composed of supernaturally solidified flames, appearing as a symbol or weapon in many mythologies.
3. 3
   The flowering plants Lutheria splendens (syn. Vriesea splendens), Vriesea flammea, and other species, especially in the tribe Vrieseeae, with similar blooms.
4. 4
   A sword with a blade forged in an undulating pattern; a flame-bladed sword. Also characterized as a wavy blade or a serpentine blade.