toast; congratulatory drink
A drink raised in celebration, often in phrases like 祝杯を挙げる (to raise a toast).
We all raised a toast to celebrate his promotion.
新年の祝杯にシャンパンを開けた。
We opened champagne for a New Year's toast.
Once the championship was decided, everyone raised a toast together.
To celebrate closing the deal, we shared a toast with our business partner.