noun
last guest; third guest of honor
In a tea ceremony, the guest seated farthest from the host, who assists the host and other guests. Also called 詰め (つめ).
See also: 詰め (つめ) · 次客 (じきゃく) · 正客 (しょうきゃく)
茶会では、末客が最後にお茶をいただく。
At a tea gathering, the last guest receives tea last.
末客は亭主の手伝いをすることもある。
The last guest sometimes assists the host.
From 末 (end, last) + 客 (guest). The reading まっきゃく is a euphonic change from まつきゃく.