1. Sea, ocean: This is the most common meaning of "kai". It is used to refer to the ocean itself, as well as anything related to the sea, such as fishing, marine life, or seafaring.
2. Food, to eat: "Kai" can also mean "food" or "to eat". This usage is often used in phrases like "ʻai kai" (to eat food) or "kaika" (food, meal).
3. Open, free, clear: In a figurative sense, "kai" can also mean "open", "free", or "clear". This usage is often used in phrases like "kai aloha" (open heart) or "kai koʻokoʻo" (clear mind).
The specific meaning of "kai" will depend on the context in which it is used.
For example:
* "E hele kākou i ka kai": Let's go to the sea.
* "He aha kāu kai?": What do you want to eat?
* "Ke aloha nei au i ka kai": I love the ocean.
It's important to pay attention to the surrounding words and phrases to understand the intended meaning of "kai".