Definition of Swamp oak

• Australian leafless shrub resembling broom and having small yellow flowers
• fast-growing medium to large pyramidal deciduous tree of northeastern United States and southeastern Canada having deeply pinnatifid leaves that turn bright red in autumn; thrives in damp soil
• large deciduous oak of the eastern United States with a flaky bark and leaves that have fewer lobes than other white oaks; yields heavy strong wood used in construction; thrives in wet soil