Definition of "underbelly" in inglés

noun

1. The underside of an animal.

   • We identified the species of the snake by its blue-grey underbelly.

2. The underside of any thing.

3. (figuratively) The side which is not normally seen, normally a dark, immoral place.

   • The area by the canal is the underbelly of town – not something you’d see in the guidebooks.