Definitions
1.nounSomething added, especially to make up for a deficiency.
2.nounAn extension to a document or publication that adds information, corrects errors or brings up to date.
3.nounAn additional section of a newspaper devoted to a specific subject.
4.nounAn angle that, when added to a given angle, makes 180°; a supplementary angle.
5.noun(nutrition) A vitamin, herbal extract or chemical compound ingested to meet dietary deficiencies or enhance muscular development.
6.nounAn additional charge, especially for food in a restaurant."There is a £2 supplement if you choose the steak."
7.verbTo provide or make a supplement to something.