Definition of add-on:
(n) :
something which can be appended to something else; a searchbox or small program that can be used to increase browser functionality. See Wikipedia's definition of "spyware" for an image of several add-ons
Definition of add-on:
(n) :
something which can be appended to something else; a searchbox or small program that can be used to increase browser functionality. See Wikipedia's definition of "spyware" for an image of several add-ons