Marry is a verb that primarily means to take someone as a husband or wife in a legal ceremony.
Other meanings of marry include:
1. To join two things together (e.g., "The architect married form and function in this design")
2. In informal contexts, can mean to combine or blend well (e.g., "These flavors marry beautifully")
3. In historical contexts, to arrange a marriage for someone (e.g., "The king married his daughter to a foreign prince")