A certificate of debt (usually interest-bearing or discounted) that is issued by a government or corporation in order to raise money; the issuer is required to pay a fixed sum annually until maturity and then a fixed sum to repay the principal WordNet 3.0 & Open English WordNet

In finance, a bond is a type of security under which the issuer owes the holder a debt, and is obliged – depending on the terms – to provide cash flow to the creditor Wikipedia

A type of debt security Wikipedia Disambiguation

A promissory instrument that can be redeemed for gold such as a United States gold certificate Wikipedia Disambiguation

Instrument of indebtedness Wikidata

A certificate of ownership of a specified portion of a debt due to be paid by a government or corporation to an individual holder. OmegaWiki

Evidence of a long-term debt, by which the bond issuer (the borrower) is obliged to pay interest when due, and repay the principal at maturity, as specified on the face of the bond certificate. The rights of the holder are specified in the bond indenture, which contains the legal terms and conditions under which the bond was issued. Bonds are available in two forms: registered bonds, and bearer bonds. Wiktionary