RhymeZone: convertible definitions

Definitions of convertible:

noun: a car that has top that can be folded or removed
noun: a sofa that can be converted into a bed
noun: a corporate security (usually bonds or preferred stock) that can be exchanged for another form of security (usually common stock)
adjective: capable of being changed in substance as if by alchemy
adjective: capable of being exchanged for or replaced by something of equal value
Example: "Convertible securities"
adjective: designed to be changed from one use or form to another
Example: "A convertible sofa"