Addition

(-dish'un), n. [Fr. addition, Lat. additio, from addere, to add.]

1. The act of adding two or more things together; —opposed to subtraction or diminution. “This endless addition or addibility of numbers.” Locke.
2. Any thing added; increase. “Unworthy of such addition.” W. Scott.
3. (Math.) That part of arithmetic which treats of adding numbers.
4. (Mus.) A dot at the right side of a note as an indication that its sound is to be lengthened one half. Moore.
5. (Law.) A title annexed to a man's name, to show his rank, occupation, or place of residence; as, John Doe, Esq.; Richard Roe, Gent.; Robert Dale, Mason; Thomas Way, of New York.
6. (Her.) Something added to a coat of arms, as a mark of honor; —opposed to abatement.

Syn. — Increase; accession; augmentation; appendage; adjunct.