What does "foursome" mean?

A group of four, a quartet or a game (such as golf) played by four players, especially by two teams of two.

What is a synonym for "foursome"?

Common synonyms include: four, quartet, quartet, quaternion, tetrad, 4.

//ˈfɔɹsəm// noun

noun ·Moderate ·College level

Noun

1
A group of four, a quartet or a game (such as golf) played by four players, especially by two teams of two.
"The fired-up foursome takes itself very seriously, singing politically charged lyrics, which, in the tradition of Strife and Damnation AD, are strategically placed in the middle of slamming, moshable breakdowns."
2
four people considered as a unit wordnet
3
A sex act between four people.
4
the cardinal number that is the sum of three and one wordnet