趾 is a bound morpheme (b.f.) meaning 'toe' or 'foot'. It does not stand alone as a word; you will find it in compounds like 脚趾 (toe), 趾甲 (toenail), and in the chengyu 趾高气扬 (walk with head high, implying arrogance). In literary or formal contexts, 趾 can also refer to the foot itself.