楴

dì:* 古代簪子一类的束发用具。 dǐ:* 古同"柢"，树根。 shì:* 古书上说的一种树

(translated) dì: ancient hairpin-like hair accessory; dǐ: anciently interchangeable with "柢", meaning tree root; shì: a type of tree described in ancient texts