Word: 臀 (tún) 臀 dictionary entry tún buttocks Full dictionary entry for 臀 Example sentences using 臀 2 sentences, showing page 1 of 1. 他摔倒时臀先着地。 Tā shuāidǎo shí tún xiān zháodì. When he fell, he landed on his rump first. 她坐太久，臀和腰都酸了。 Tā zuò tài jiǔ, tún hé yāo dōu suān le. She sat for too long, and her hips and back both ache.