Inflected forms: pl. pe·riph·er·ies 1. A line that forms the boundary of an area; a perimeter. See synonyms at circumference. 2. The surface of a solid. 3a. The outermost part or region within a precise boundary. b. A zone constituting an imprecise boundary.
ETYMOLOGY:
Middle English periferie, from Medieval Latin periferia, from Late Latin periphera, from Greek periphereia, from periphers, carrying around : peri-, peri- + pherein, to carry; see bher-1 in Appendix I.
p
-r
f
a, from Greek periphereia, from peripher
