expression, godan verb (-u)
to make a foursome (mahjong)
Mahjong term: all four players are present and ready to start a game. Literally 'the faces are assembled'.
面子が揃ったから、そろそろ始めよう。
Now that we have a foursome, let's start the game.
expression, godan verb (-u)
to have everyone together; to have the full lineup
Colloquial extension from mahjong: all the expected members of a group, team, or cast are present. Often used when a gathering feels complete.
See also: メンツ
やっと面子が揃ったから、飲み会を始めよう。
Now that everyone's here, let's start the drinking party.
今日の練習は面子が揃わなかったので、軽く済ませた。
We didn't have the full lineup for practice today, so we kept it light.