noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The larva of any of several tortricid moths (family Tortricidae).
2. 2
   The larva of any of several tortricid moths (family Tortricidae).; The larva of a small tortricid moth that feeds on cranberry leaves, giving the plant a burnt look; the cranberry worm.
3. 3
   The bearded fireworm, Hermodice carunculata, a species of polychaete in family Amphinomidae, which may cause pain if touched.
4. 4
   The golden fireworm, Chloeia flava, a species of polychaete.

Synonyms

All synonyms

fireflyglowwormphosphorworm

Etymology

From fire + worm.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.