1. Older Brother: This is the most common meaning. It refers to an older brother, similar to "elder brother" in English.
2. Older Male Relative: It can also be used to address any older male relative, such as a cousin, uncle, or even a close family friend.
3. Respectful Address: "Chettan" can be used as a respectful term to address any older man, particularly when the speaker is younger or feels a sense of deference.
4. Familiar Address: Sometimes, "Chettan" can be used as a familiar term of address between friends, particularly in a male-dominated context.
Examples:
* "Ente chettan" means "My older brother."
* "Chettan, enikku oru glass vellam tharu" means "Brother, please give me a glass of water."
* "Chettane, ningal ethra vaayasu?" means "Brother, how old are you?"
The specific meaning of "Chettan" will be clear from the context of the conversation.