Juice pressed from a bitter orange (citrus), the acidic juice that gave rise to the word 'ponzu' and used in cooking.
昔は刺身にポンスをかけて食べていた。
In the past people used to pour ponsu over sashimi and eat it.
このソースはポンスをベースに作られているからさっぱりしている。
This sauce is made with ponsu as a base, so it's refreshing.
A punch (drink) — a mixed, often fruity beverage; a less common usage of the word.
夏祭りでは屋台で冷たいポンスが売られていた。
At the summer festival, cold ponsu (punch) was being sold at stalls.
パーティー用にフルーツポンスを作った。
I made fruit ponsu for the party.