caterpillar
US /ˈkæt̬.ɚ.pɪl.ɚ/
UK /ˈkæt̬.ɚ.pɪl.ɚ/

1.
bruco
the larva of a butterfly or moth, having a segmented wormlike body with six true legs and a number of fleshy stubby prolegs.
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The tiny caterpillar munched on a leaf.
Il piccolo bruco sgranocchiava una foglia.
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We watched the caterpillar transform into a chrysalis.
Abbiamo visto il bruco trasformarsi in crisalide.
1.
Caterpillar, macchine Caterpillar
a brand of heavy machinery, including tractors and excavators, used in construction and mining.
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The construction site was filled with large Caterpillar machines.
Il cantiere era pieno di grandi macchine Caterpillar.
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He operates a Caterpillar bulldozer for a living.
Lavora come operatore di un bulldozer Caterpillar.