In some societies, an amount of money or property that a woman’s parents give to the man she marries. (Cambridge Dictionary)
The money, goods, or estate that a woman brings to her husband in marriage. (Merriam – Webster)
An amount of property or money brought by a bride to her husband on their marriage. (Oxford Dictionaries)
A woman’s dowry is the money and goods which, in some cultures, her family gives to the man that she marries. (Collins Dictionary)
Dowry in Thailand.
What Is a Wedding Dowry?
A dowry is the money or goods that a bride’s family gives to her new husband and/or his family when they are married.