Jupiter's Io, for example (4)
I believe the answer is:
moon
(Other definitions for moon that I've seen before include "Expose one's buttocks" , "Display one's buttocks publicly (slang)" , "orbiter" , "Titan, perhaps" , "Reveal rear" .)
I believe the answer is:
moon
(Other definitions for moon that I've seen before include "Expose one's buttocks" , "Display one's buttocks publicly (slang)" , "orbiter" , "Titan, perhaps" , "Reveal rear" .)