1. Chin/Jaw: This is the most common meaning of "thadi." It refers to the lower part of the face, specifically the area below the mouth.
2. Beard: It can also refer to a beard, the growth of hair on a man's face.
3. Support: In some cases, "thadi" might be used to mean "support," as in a "support pillar."
4. Jawbone: This meaning is less common but can be used to refer to the lower jawbone.
To understand the exact meaning of "thadi" in a particular sentence, you need to consider the surrounding words and context.