moon

moon - noun

• The earth's natural satellite {dx_def}see {dxt|satellite||1a}{/dx_def} that shines by the sun's reflected light, revolves about the earth from west to east in about 29¹/₂ days with reference to the sun or about 27¹/₃ 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

• One complete moon cycle consisting of four phases {dx_def}see {dxt|phase:1||1}{/dx_def}

• {sx|satellite||1}

• An indefinite usually extended period of time