1. Plural of bellyboat; small, inflatable boats or floats designed to be sat in or ridden on the belly while fishing or recreating in water.
Usage: informal; chiefly North American; also called belly boats or float tubes

Examples

• The anglers launched their bellyboats from the shore to fish in the middle of the lake.
• Bellyboats are popular among fly fishermen because they allow access to deeper water.
• He packed his bellyboats and waders for the weekend fishing trip.
• The rental shop had several bellyboats available for beginners.
• Bellyboats are lightweight and easy to transport to remote fishing spots.