1. The underpart of said water tank is provided with an air intake orifice (12).

2. In addition, you can see from the diagram on the right, the underpart of the slide would be an electromagnet.

3. Belly: 1 n the region of the body of a vertebrate between the thorax and the pelvis Synonyms: abdomen , stomach , venter Types: underBelly , underbody the soft Belly or underside of an animal's body Type of: body part any part of an organism such as an organ or extremity n the underpart of the body of certain vertebrates such as snakes or fish