Bumboat/ˈbʌmbəʊt/ Definition 1 of 1Pro Tip 1/3Maritime Use Bumboats are traditionally associated with nautical activities and ports. The crew awaited the bumboat to deliver their mail from shore. Pro Tip 2/3Historical Context Bumboats have been used historically and may not be as common today. Historical novels describe bumboats approaching tall ships. Pro Tip 3/3Specific Locations Usage of 'bumboat' mostly in places with maritime culture like Singapore and UK. She took a bumboat ride to visit the island off Singapore's coast.