also: ちゃか
noun
tea and sweets; refreshments
Refers to tea served with traditional Japanese sweets, often in a formal or hospitality context. Can also mean light refreshments in general.
お客様に茶菓をお出しする。
We serve tea and sweets to the guests.
会議の途中で茶菓の休憩が入った。
There was a refreshment break during the meeting.