Cavus
Cavus (adjective from Latin Cavum : sheath, hollow) means "enveloping, encompassing, arched inward". Plural: Cavi .
In astrogeology , the term Cavus is used for an irregular, steeply sloping depression that was not created by an impact .
Structures called Cavi exist on Mars and Triton .
Web links
- Cavi on Google Mars
- USGS: List of Cavi in the IAU's Gazetteer of Planetary Nomenclature