Sup"ple*ment (?), n. [F. suppl'ement, 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.

© [Webster 1913].

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. I. Taylor.

© [Webster 1913].

supplement (definition)