n. | 1. | (Zool.) 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. |
Noun | 1. | glowworm - the luminous larva or wingless grub-like female of a firefly |