1. pot; jar; vase
2. dice cup
3. depression; basin (e.g. of a waterfall)
4. aim; what one wants; the mark
5. key point (of a conversation, etc.); essence
6. acupuncture point; moxibustion point; pressure point
7. point that appeals to one's sense of humor; something one finds amusing
8. position on the fingerboard (of a shamisen, koto, etc.)
oft. written as ツボ
9. target (when aiming an arrow)