/moohn"shuyn'/ , n.
1. Informal. smuggled or illicitly distilled liquor, esp. corn liquor as illicitly distilled chiefly in rural areas of the southern U.S.
2. empty or foolish talk, ideas, etc.; nonsense.
3. the light of the moon; moonlight.
[ 1375-1425; late ME: moonlight. See MOON, SHINE ]