| A large body of water constituting a principal part of the hydrosphere. |
| •owl:Thing |
| •SpatioTemporalThing |
| •Endurant |
| •PhysicalEndurant |
| •PhysicalObject |
| •NonAgentivePhysicalObject |
| •PhysicalBody |
| •BodyOfWater |
| •Ocean |
| •PhysicalPlace |
| •PlanetaryStructureObject |
| •BodyOfWater |
| •Ocean |