[crater] The rim of Bettinus is only somewhat worn, with an inner wall that is wider to the northwest. The interior floor is relatively flat, with a central rise that is offset to the west of the midpoint. There is a small crater along the eastern rim. ==Satellite craters== By convention these features are identified on lunar maps by placin...
Found on
http://en.wikipedia.org/wiki/Bettinus_(crater)

a crater in the third quadrant of the face of the moon: about 60 miles (96 km) in diameter.
Found on
https://www.infoplease.com/dictionary/bettinus
No exact match found.