threesome
noun
[ ˈθriːs(ə)m ]
• a group of three people engaged in the same activity.
• "we planned excursions as a threesome"
Similar:
trio,
triplet(s),
triumvirate,
triad,
trinity,
troika,
triunity,
triangle,
triplex,
trilogy,
triptych,
tercet,
terzetto,
pas de trois,
trine,
