Sup"ple*ment (?), n. [F. supplément, L. supplementum, fr. supplere to fill up. See Supply, v. t.] 1. That which supplies a deficiency, or meets a want; a store; a supply. [Obs.] Chapman.

2. That which fills up, completes, or makes an addition to, something already organized, arranged, or set apart; specifically, a part added to, or issued as a continuation of, a book or paper, to make good its deficiencies or correct its errors.

3. (Trig.) The number of degrees which, if added to a specified arc, make it 180°; the quantity by which an arc or an angle falls short of 180 degrees, or an arc falls short of a semicircle.

Syn. -- Appendix. -- Appendix, Supplement. An appendix is that which is appended to something, but is not essential to its completeness; a supplement is that which supplements, or serves to complete or make perfect, that to which it is added.

Sup"ple*ment (?), v. t. [imp. & p. p. Supplemented; p. pr. & vb. n. Supplementing.] To fill up or supply by addition; to add something to.

Causes of one kind must be supplemented by bringing to bear upon them a causation of another kind.

Sup"ple*ment (?), n. [F. supplément, L. supplementum, fr. supplere to fill up. See Supply, v. t.] 1. That which supplies a deficiency, or meets a want; a store; a supply. [Obs.] Chapman.

2. That which fills up, completes, or makes an addition to, something already organized, arranged, or set apart; specifically, a part added to, or issued as a continuation of, a book or paper, to make good its deficiencies or correct its errors.

3. (Trig.) The number of degrees which, if added to a specified arc, make it 180°; the quantity by which an arc or an angle falls short of 180 degrees, or an arc falls short of a semicircle.

Syn. -- Appendix. -- Appendix, Supplement. An appendix is that which is appended to something, but is not essential to its completeness; a supplement is that which supplements, or serves to complete or make perfect, that to which it is added.

Sup"ple*ment (?), v. t. [imp. & p. p. Supplemented; p. pr. & vb. n. Supplementing.] To fill up or supply by addition; to add something to.

Causes of one kind must be supplemented by bringing to bear upon them a causation of another kind.

• something added, especially to make up for a deficiency
  
• an extension to a document or publication that adds information, corrects errors or brings up to date
  
• an additional section of a newspaper devoted to a specific subject
  
• (Geometry) an angle that, when added to a given angle, makes 180°; a supplementary angle.
  
• (bodybuilding): A vitamin, herbal extract, or chemical compound included with a diet to enhance muscular development.
  
• to provide or make a supplement to something