1. a wormlike and often brightly colored and hairy or spiny larva of a butterfly or moth

Definition categories: animal, larva

2. a large tracked vehicle that is propelled by two endless metal belts; frequently used for moving earth in construction and farm work

Similar word(s): cat

Definition categories: man–made

Sentences with caterpillar as a noun:

- The bird just ate that green caterpillar.