1. "String" or "thread": This is the most common meaning of "sen" and refers to thin, flexible material used for tying or sewing.
2. "Line" or "row": It can also refer to a straight line or a row of objects. For example, you might say "sen nang" (เซ็นหนัง) which means "line of film" or "film strip."
3. "Centimeter": In measurements, "sen" can refer to centimeters.
4. "Sign" or "signature": "Sen" can also mean "sign" or "signature" in the sense of a written mark. This is often used in the context of signing documents.
5. "Ingredient" or "part": In some contexts, "sen" can refer to an ingredient or a part of something, like "sen prap" (เส้นปราบ) which means "spicy ingredient."
6. "Name": In some cases, "sen" can also refer to a name, especially when combined with other words.
To know the exact meaning of "sen" in a specific context, it's important to consider the surrounding words and the overall sentence.
If you provide more context, I can help you determine the specific meaning of "sen" in your situation.