It can refer to several things depending on the context:
* A bar or tavern, especially in Mexico or Latin America. This is the most common meaning.
* A cellar or wine cellar. This meaning is less common but still used.
* A small, private room or space. This meaning is less common and often used in a figurative sense.
To understand the specific meaning of "la cantina" in a particular sentence or context, consider the surrounding words and the overall meaning.