Unity /(?)/

pl. Unities

1. The state of being one; oneness.

   Whatever we can consider as one thing suggests to the understanding the idea of unity.

2. Concord; harmony; conjunction; agreement; uniformity; as, a unity of proofs; unity of doctrine.

   Behold, how good and how pleasant it is for brethren to dwell together in unity!

3. Any definite quantity, or aggregate of quantities or magnitudes taken as one, or for which 1 is made to stand in calculation; thus, in a table of natural sines, the radius of the circle is regarded as unity. (Math.)
4. In dramatic composition, one of the principles by which a uniform tenor of story and propriety of representation are preserved; conformity in a composition to these; in oratory, discourse, etc., the due subordination and reference of every part to the development of the leading idea or the eastablishment of the main proposition. (Poetry & Rhet.)
5. Such a combination of parts as to constitute a whole, or a kind of symmetry of style and character. (Fine Arts & Mus.)
6. The peculiar characteristics of an estate held by several in joint tenancy. (Law)