tea party; tea gathering
A social gathering where tea is served, often with a casual or semi-formal atmosphere. Can refer to a traditional tea ceremony event, but more commonly implies a relaxed tea party.
I invited friends over for a tea party on the weekend.
We had delicious cake at the tea party.
Compound of honorific prefix お (o-) + 茶 (cha, 'tea') + 会 (kai, 'gathering, meeting').