noun
monetary gift in an envelope; cash reward
Refers to a sum of money given as a gift or reward, typically placed in a special envelope. Often used in formal or ceremonial contexts, such as weddings, funerals, or as a token of appreciation for services.
結婚式で金一封を渡した。
I gave a monetary gift in an envelope at the wedding.
彼は長年の功労に対して
He was presented with a cash reward for his many years of service.