Word: Periphery

You Pronounce It: [puh-rif-uh-ree]

Definition: noun, plural peripheries.
1. the external boundary of any surface or area.
2. the external surface of a body.
3. the edge or outskirts, as of a city or urban area.
4. the relatively minor, irrelevant, or superficial aspects of the subject in question:
The preliminary research did not, of course, take me beyond the periphery of my problem.
5. Anatomy. the area in which nerves end.

I found it:

While reading something for my rhetoric course.

Works Cited:

http://www.dictionary.com/browse/periphery