
1) Ada 2) Tercet 3) Ternion 4) Terzetto 5) Trey 6) Triad 7) Trine 8) Trinity 9) Trio 10) Triplet 11) Triumvirate 12) Triune
Found on
https://www.crosswordclues.com/clue/threesome

1) Andrews Sisters 2) Arrangement in Shame 3) Deuce-ace 4) Digit 5) Figure 6) Leash 7) Links group 8) Not quite an orgy 9) Tercet 10) Ternary 11) Ternion 12) Terzetto 13) The Stooges 14) Three 15) Tierce 16) Trey 17) Triad 18) Trine 19) Trinity 20) Trio 21) Triplet 22) Troika
Found on
https://www.crosswordclues.com/clue/threesome

In human sexuality, a threesome is sexual activity that involves three people at the same time. When sexual activity is centered on one of the threesome, then the activity may be described as a gang bang of the person. Threesome can also refer to a love triangle, a three-way romantic relationship. Though threesome is most commonly applied to a cas...
Found on
http://en.wikipedia.org/wiki/Threesome

A match in which two players play the same ball and alternate strokes and play against a single player. Also means three players playing a round together.
Found on
http://www.encyclo.co.uk/local/21422

A group of three golfers.
Found on
https://www.encyclo.co.uk/local/21644
No exact match found.