床笫

chuángzǐ
  1. bed and bamboo sleeping mat
  2. (fig.) bed as a place for intimacy

CEDICT

  1. (literary, by extension) bed and bedding; boudoir
  2. (literary, figurative) place of conjugal intimacies; lovemaking; sex
  3. (literary, literally) bed and bamboo sleeping mat
  4. bed and bamboo sleeping mat
  5. bed and bedding; boudoir
  6. place of conjugal intimacies; lovemaking; sex

Wiktionary

笫，床上的竹席。床笫指枕席之间或男女房中之事。

重編國語辭典

Entry Composition

=1 床 chuáng
  1. bed; bottom (of rivers, oceans, gardens etc)
  2. frame; chassis
  3. classifier for blankets, quilts etc

classifier: 張
=1 床 chuáng variant of 床 chuáng
2 笫 zǐ
  1. bamboo mat
  2. bed mat

Containing this entry

床笫之事 chuángzǐzhīshì
  1. bedroom matters
  2. sexual intercourse
床笫之私 chuángzǐzhīsī intimate matters