Dictionary

glowworm

noun glow·worm \ˈglō-ˌwərm\

: a type of insect that produces a small amount of light from its body

Full Definition of GLOWWORM

:  any of various luminous insect larvae or adults with wings rudimentary or lacking; especially :  a larva or wingless female of a firefly (family Lampyridae) that emits light from the abdomen

Origin of GLOWWORM

Middle English
First Known Use: 14th century

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