ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: Middle English, from glowen to glow + worm
1. : any of various luminous insects with wings rudimentary or lacking: as
a. : one of the wingless females or larvae of beetles of the family Lampyridae which emit light from some of the abdominal segments
b. : one of the web-making larvae of a New Zealand fungus gnat ( Bolitophila luminosa ) — compare firefly
2. : seared green