1) German surname 
[crater] The eroded outer wall of Hommel is overlain and incised by a number of smaller but still sizeable craters. Hommel C overlays the western rim and Hommel A the north. Intruding into the rim are Hommel H to the northwest, Hommel B in the east, and Hommel P along the southern wall. These craters are in turn ovelain by smaller craterlet...
a walled plain in the fourth quadrant of the face of the moon: about 75 mi. (120 km) in diameter.