a wormlike and often brightly colored and hairy or spiny larva of a butterfly or moth
"The bright orange caterpillar crawled across my garden hose, its fuzzy body wiggling as it searched for leaves to eat."
a large tracked vehicle that is propelled by two endless metal belts; frequently used for moving earth in construction and farm work
"The heavy-duty caterpillar dug up the foundation trench before the new warehouse was built."
The larva of a butterfly or moth; leafworm
"The bright green caterpillar slowly crawled across the lettuce leaves, waiting to spin its cocoon."