英文 threeesome 點解???

1.) a group of three people
2.) a sexual act performed by three people together
3.) a triumvirate, i.e. three people ruling a country or company together

*triumvirate
1. 三(人)執政,三頭政治,三人同盟
2. 三人一組;三位一體

threeesome 點解?
三的, 三位一體, 三人組合, a group of three. 亦可解做 三角戀.
John has an affair with his coleague & made an abnormal threesome.

Nowadays, the word usually means:
-a form of group sex involving three people of any gender combination.

應該冇衣個字但有 threesome 衣個字

meaning is
1. 三人一組
2. 三人的競賽;【高爾夫】一人對兩人的比賽