The Vietnamese word for caterpillar is
sâu

Translations for caterpillar and their definitions

sâu	©
1. adj. deep (having its bottom far down)
2. adv. deeply
3. n. a caterpillar (larva of a butterfly)
4. adj. (of a tooth) with a cavity
răng sâu - a tooth with a cavity
sâu răng - of a person with cavities with cavities

Pronunciation