A feature in an indenture that permits the issuer to repurchase securities at a fixed price (or a series of fixed prices) before maturity; also called call feature.
An embedded option granting a bond issuer the right to buy back all or part of the issue prior to maturity. 
An embedded option granting a bond issuer the right to buy back all or part of an issue prior to mat
A provision of a bond or preferred stock issue, listed in its indenture (the formal agreement... <a target=_blank href='http://www.finance-glossary.com/terms/call-provision.htm?id=199&ginPtrCode=00000&PopupMode=false' title='Read full definition of call provision'>more</a>