bagworm

[bag-wurm]

noun

any moth of the family Psychidae in its caterpillar phase, in which it wraps itself in a bag of silk, leaves, etc.

Origin of bagworm

An Americanism dating back to 1860–65; bag + worm

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for bagworm

Historical Examples of bagworm

My trees are troubled with tent-caterpillar, bagworm and roundhead borer.
The Apple
Various

British Dictionary definitions for bagworm

bagworm

noun

the larva of moths of the family Psychidae, which forms a protective case of silk covered with grass, leaves, etc

bagworm moth any moth of the family Psychidae

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012