(on some 18th-century chairs) a seat having an outline resembling that of a bell.
- Balloon shade
a window shade that when raised is gathered into a series of puffy festoons created by inverted pleats in the fabric.
- Balloon sleeve
noun a sleeve fitting tightly from wrist to elbow and becoming fully rounded from elbow to shoulder
- Balloon tire
a broad tire filled with air at low pressure for cushioning the shock of uneven surfaces: used on road vehicles such as bicycles and early automobiles.
- Balloon tyre
noun a pneumatic tyre containing air at a relatively low pressure and having a wide tread