caterpillar

/ˈkætərˌpɪlər/
noun
  1. The larva of a butterfly or moth, which has a long body with many legs and often eats leaves.
    • We watched a fuzzy caterpillar turn into a chrysalis.
    • The caterpillar crawled slowly across the leaf.
    • Many caterpillars are green or brown to blend in with plants.
  2. A vehicle (such as a tractor or tank) that moves on continuous metal or rubber tracks instead of wheels, used for rough or soft ground.
    • The construction site used a caterpillar to move heavy dirt.
    • A military caterpillar can drive over mud and rocks easily.
    • The farmer drove a small caterpillar to plow the field.
What does "caterpillar" mean? | whatsthatwordmean | whatsthatwordmean