Caterpillar

/ˈkætərˌpɪlər/

Meaning & Definition

noun
The larval stage of a butterfly or moth, characterized by a long, cylindrical body and numerous legs.
The gardener was thrilled to see a caterpillar munching on the leaves of his favorite plant.
A similar insect of the same order, especially in the stage before becoming a pupa.
Children often enjoy watching a caterpillar transform into a beautiful butterfly.
A machine equipped with tracks, used for moving on rough terrain.
The construction crew used a caterpillar to clear the land for the new building.

Etymology

Middle English 'catirpiller', from Old North French 'catepelose' (cat: cat + pilose: hairy).

Common Phrases and Expressions

caterpillar to butterfly
A metaphor for transformation or drastic change.

Related Words

transform
To undergo a change in form, appearance, or character.
larva
An immature form of an animal that is different from the adult.
pupate
To undergo transformation into a pupa.

Slang Meanings

Used to describe someone undergoing change.
He's in his caterpillar phase, just waiting to break out.
A playful term for a beginner in some field.
As a caterpillar in this industry, you'll learn a lot before you fly.