Caterpillar vs. Earthworm

Caterpillar and Earthworm Definitions
Caterpillar
The wormlike larva of a butterfly or moth.
Earthworm
Any of various terrestrial annelid worms of the class Oligochaeta, especially those of the family Lumbricidae, that burrow into and help aerate and enrich soil.
Caterpillar
Any of various insect larvae similar to those of the butterfly or moth.
Earthworm
A worm that lives in the ground.
Caterpillar
The larva of a butterfly or moth; leafworm
The bird just ate that green caterpillar.
Earthworm
A worm of the family Lumbricidae, or, more generally, of the suborder Lumbricina.
ADVERTISEMENT
Caterpillar
A vehicle with a caterpillar track; a crawler
Earthworm
(figurative) A contemptible person; a groveller.
Caterpillar
(maths) A set of subtrees of a tree
Earthworm
Any worm of the genus Lumbricus and allied genera, found in damp soil. One of the largest and most abundant species in Europe and America is L. terrestris; many others are known; - called also angleworm and dewworm.
Caterpillar
The larval state of a butterfly or any lepidopterous insect; sometimes, but less commonly, the larval state of other insects, as the sawflies, which are also called false caterpillars. The true caterpillars have three pairs of true legs, and several pairs of abdominal fleshy legs (prolegs) armed with hooks. Some are hairy, others naked. They usually feed on leaves, fruit, and succulent vegetables, being often very destructive, Many of them are popularly called worms, as the cutworm, cankerworm, army worm, cotton worm, silkworm.
Earthworm
A mean, sordid person; a niggard.
ADVERTISEMENT
Caterpillar
A plant of the genus Scorpiurus, with pods resembling caterpillars.
Earthworm
Terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers
Caterpillar
A wormlike and often brightly colored and hairy or spiny larva of a butterfly or moth
Caterpillar
A large vehicle that is driven by caterpillar tracks; frequently used for moving earth in construction and farm work