The ground under the sea; the ocean floor.
More example sentences
- Scientists are currently investigating life on the seabed across the whole Marine Park as part of the Great Barrier Reef Seabed Biodiversity Project.
- Only recently have oceanographers been able to map the seabed in something near the detail possible on land.
- Shrinking sea ice is significantly increasing the rate at which icebergs scour the Antarctic seabed, taking away large swathes of marine organisms in the process.
Definition of seabed in:
- The US English dictionary