1. plural of balsa; lightweight rafts or boats made from balsa wood or other buoyant materials
Usage: nautical

Examples

• The fishermen constructed several balsas from lightweight wood.
• Ancient peoples used balsas to navigate rivers and coastal waters.
• The expedition relied on traditional balsas to cross the lake.
• Local craftsmen still build balsas using time-honored techniques.
• The museum displayed models of historic balsas used by indigenous peoples.