[lunar crater] The outer rim of this crater is roughly circular, with a slight outward protrusion along the southern side. The rim and inner walls are not significantly eroded, and slope downward to a ring of accumulated debris surrounding the interior floor. The bottom is somewhat irregular, with a tiny crater near the midpoint and another... Found on http://en.wikipedia.org/wiki/Graff_(lunar_crater)
Graff noun [ Middle English grafe , greife , greive . Confer Margrave .] A steward; an overseer. « [ A prince] is nothing but a servant, overseer, or graff , and not the head, which is a title belonging only to Christ.» John Knox. Found on http://www.encyclo.co.uk/webster/G/48