noun:

• jar; pot; vase
• dice cup
• depression (i.e. the basin of a waterfall)
• target (when aiming an arrow) - archaism
• (figurative) bull's-eye - usually written using kana alone ➜ 思うつぼ
• key point (of a conversation, etc.) - usually written using kana alone
• acupuncture point; moxibustion point - usually written using kana alone
• nodes on a fingerboard (of a shamisen, etc.) - often ツボ - usually written using kana alone

noun:

• hu (ancient Chinese vessel shaped like a vase, usually used to store alcohol)

noun:

• individually "washing" a partner's fingers or toes in one's vagina (esp. as a service at a soapland) - slang ➜ ソープランド

noun / ~の noun:

• inside a jar

noun:

• coward; timid person

noun:

• Asiatic pennywort (Centella asiatica); centella; gotu kola; Indian pennywort

noun / expression:

• another world; enchanted land; joy from drinking and forgetting about the workaday world

expression / godan ~る verb:

• to hit the bull's-eye
• to go as expected; to succeed (e.g. a plan)

noun:

• small, deep dish; dice cup

noun:

• shellfish cooked in its own shell (esp. turban shell) - abbreviation ➜ 栄螺の壺焼き
• food cooked in a crockpot

expression / ichidan verb:

• to understand the essence; to catch the main points ➜ 壷【つぼ】

noun:

• chytrid (any simple, algaelike fungi of order Chytridiales)

noun:

• inner garden (esp. small, traditional); courtyard