1. Grandmother: This is the most common meaning of "nana" in Tagalog. It's a term of endearment for a grandmother, similar to "Grandma" in English.
2. "Nana" as a Name: In some cases, "nana" can also be a person's name. It's not as common as other names, but it's still used.
3. "Nana" as a Noun: In some regional dialects, "nana" can be used as a noun for "rice" or "food". However, this is less common than the first two meanings.
To understand the meaning of "nana" in a specific context, it's important to consider the surrounding words and the overall meaning of the sentence.