often (Moon) the earth's natural satellite that shines by reflecting the sun's light
the appearance or visibility of the moon from the earth
a full moon
a satellite of a planet
literary a month
many moons ago
over the moon
informal absolutely delighted
[with allusion to the nursery rhyme beginning ‘Hey diddle diddle, The cat and the fiddle, The cow jumped over the moon’]moonless adj
moonlike adj
[Old English mōna; related to Old High German māno moon, Latin mensis month, Greek mēn month, mēnē moon]