bagworm
noun/ˈbæɡ.wɜː(ɹ)m/
Etymology From bag + worm.
› Certain moths, in order Lepidoptera:
1
A bagworm moth, any member of the family Psychidae.
2
Proscribed An Eastern tent caterpillar (Malacosoma americanum, family Lasiocampidae).
3
A Fall webworm (Hyphantria cunea, family Erebidae).