Crater part (3)
I believe the answer is:
rim
(Other definitions for rim that I've seen before include "Edge or margin" , "Raised edge of a round object" , "An edge, canyon or cup" , "Brink" , "Circular outer edge" .)
I believe the answer is:
rim
(Other definitions for rim that I've seen before include "Edge or margin" , "Raised edge of a round object" , "An edge, canyon or cup" , "Brink" , "Circular outer edge" .)