consummation
noun [ U ] uk/ˌkɒn.səˈmeɪ.ʃən/ us/ˌkɑːn.səˈmeɪ.ʃən/
(SEX)
law specialized圆房;（通过性交）使（婚姻或恋爱关系）完满
the act of making a marriage or romantic relationship complete by having sex
(COMPLETION)
formal圆满；完美
the act of making something complete or perfect