1. right of pledge
Wikipedia definition
2. Pledge (law)A pledge is a bailment that conveys possessory title to property owned by a debtor (the pledgor) to a creditor (the pledgee) to secure repayment for some debt or obligation and to the mutual benefit of both parties. The term is also used to denote the property which constitutes the security. Pledge is the pignus of Roman law, from which most of the modern law on the subject is derived, but is generally a feature of even the most basic legal systems.
Read “Pledge (law)” on English Wikipedia
Read “質権” on Japanese Wikipedia
Read “Pledge (law)” on DBpedia


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