scale (of fish, snake, etc.);  serif (on kana or kanji (e.g. in Mincho font))
 to see the light;  to be awakened to the truth;  to have the scales fall from one's eyes
 triangular pattern;  scalelike pattern;  imbricate pattern;  triangle emblem
 mitsuuroko emblem (three triangles in a triangular pattern; Hōjō clan symbol)