D defs.my
Entry 1 sense Webster, 1913

Caterpillar track

/kăt'-əp-ĭlˌ-ẽr trăk/ · Cat·er·pil·lar track · IPA
01 n. an endless belt looped over several wheels, used in pairs in place of wheels to propel vehicles, such as tractors or military tanks, over r…
  1. 1.
    an endless belt looped over several wheels, used in pairs in place of wheels to propel vehicles, such as tractors or military tanks, over rough ground.