PERIPHERY
periphery, fringe, outer boundary
(noun) the outside boundary or surface of something
Source: WordNet® 3.1
Etymology
Noun
periphery (plural peripheries)
The outside boundary, parts or surface of something.
A first-rank administrative division of Greece, subdivided in provinces.
Antonyms
• center
Source: Wiktionary
Pe*riph"er*y, n.; pl. Peripheries. Etym: [L. peripheria, Gr.
périphérie.]
1. The outside or superficial portions of a body; the surface.
2. (Geom.)
Definition: The circumference of a circle, ellipse, or other figure.
Source: Webster’s Unabridged Dictionary 1913 Edition