From Japanese-English FreeDict Dictionary ver. 0.1: [news2] [nf38] 寸, [news2] [nf38] すん (noun (common) (futsuumeishi)) sun (approx. 3.03 cm)
[news2] [nf38] 寸, [news2] [nf38] すん (noun (common) (futsuumeishi)) sun (approx. 3.03 cm)