1. [ noun ] (zoology) a wormlike and often brightly colored and hairy or spiny larva of a butterfly or moth
Related terms: larva silkworm measuring_worm potato_tuberworm tussock_caterpillar cutworm beet_armyworm fall_armyworm tobacco_hornworm tomato_hornworm tent_caterpillar silkworm lappet_caterpillar armyworm webworm corn_borer bollworm cabbageworm woolly_bear cankerworm Lepidoptera
2. [ adjective ] having caterpillar treads or tracks on the wheels
Synonyms: caterpillar-tracked

"a caterpillar-tracked earthmover"

Related terms: tracked
3. [ noun ] (trademark) a large vehicle that is driven by caterpillar tracks; frequently used for moving earth in construction and farm work
Synonyms: cat
Related terms: tractor tracked_vehicle caterpillar_tread trademark