Definitions

1. noun

A type of caterpillar that has a protective bag or case made of silk and plant material, typically used to describe the larva of the family Psychidae.

“The gardener noticed a bagworm on one of the trees in the garden and took steps to remove it.”

2. verb

To attach or enclose something, especially a small insect or insect egg, in a protective bag or case.

“The female moth would bagworm the eggs to protect them from predators.”