They knelt clasping each other, supported by rough, shallow underwater rock.
They liked to position themselves against an object, an underwater rock or log, with their rear legs folded.
You must have hit your head on an underwater rock.
For more than 20 years the ship rested relatively reliably on underwater rock.
The Yonaguni monument is a group of very big underwater rocks.
To the east is a narrow strip stretching ridge surface and underwater rocks.
The submarine carefully maneuvered because of the underwater rocks.
An equally colorful cast clung to the underwater rocks.
She saw no action of any kind during 1916, but hit underwater rocks twice that year, suffering minor damage each time.
In 1904, she was damaged after accidentally running into an underwater rock.