emblem painted on a barn, especially in Pennsylvania Dutch country, an agricultural region in southeastern Pennsylvania largely settled by German immigrants who have preserved ethnic custom and identification to a high degree. Hex designs, usually round, with colourful, simple floral and geometric motifs, are said to protect farm animals from disease and other misfortunes resulting from witches' spells and especially the evil eye.
HEX SIGN
Meaning of HEX SIGN in English
Britannica English vocabulary. Английский словарь Британика. 2012