笫bed boards, sleeping mat; bamboo mat; bed matStrokes10PinyinzǐParts⺮bamboo④Words with 笫床笫chuáng zǐ · chuangzibed and bamboo sleeping mat; (fig.) bed as a place for intimacy床笫之事chuáng zǐ zhī shì · chuangzizhishibedroom matters; sexual intercourse床笫之私chuáng zǐ zhī sī · chuangzizhisiintimate mattersStudy it in Yanamino