Glowworm /(?)/

Glow·worm

Glowworm

n.
  1. A coleopterous insect of the genus Lampyris; esp., the wingless females and larvæ of the two European species (L. noctiluca, and L. splendidula), which emit light from some of the abdominal segments. (Zool.)
    Like a glowworm in the night, The which hath fire in darkness, none in light.