pokang

1. a seal used as a stamp or adhesive on containers, envelopes, etc.; 2. an engraved piece of metal or similar material used for stamping a design; 3. a substance or tool used for sealing any gaps or cracks; 4. an act or event that guarantees something; 5. an agreement; 6. a sincere promise, especially by a clergyman to keep information confidential; 7. an obligation not to disclose information; 8. an aquatic mammal (order pinnipedia) that eats sea fish, has broad, flat limbs, and feet with webbed toes.; st