Definition of 保証書 (ほしょうしょ)
ほしょうしょ
                        保証書
ほしょうしょ
hoshousho
noun
•
        
written guarantee, guarantee letter, warranty, warranty card
Related Kanji
| 保 | protect, guarantee, keep, preserve, sustain, support | 
| 証 | evidence, proof, certificate | 
| 書 | write |