I try to not rely on wiki. Webster's for me. A few others I've looked at indicate the same (a planetary satellite). 1
a often capitalized : the earth's natural satellite that shines by the sun's reflected light, revolves about the earth from west to east in about 29
1⁄
2 days with reference to the sun or about 27
1⁄
3 days with reference to the stars, and has a diameter of 2160 miles (3475 kilometers), a mean distance from the earth of about 238,900 miles (384,400 kilometers), and a mass about one eightieth that of the earth —usually used with
the b : one complete moon cycle consisting of four phases
c : satellite 2;
specifically : a natural satellite of a planet