n.
Pronunciation: p ə - ' ri-f( ə -)r ē
Function: noun
Inflected Form: plural -er · ies
Etymology: Middle French peripherie, from Late Latin peripheria, from Greek periphereia, from peripherein to carry around, from peri- + pherein to carry ― more at BEAR
Date: 1571
1 : the perimeter of a circle or other closed curve also : the perimeter of a polygon
2 : the external boundary or surface of a body
3 a : the outward bounds of something as distinguished from its internal regions or center : CONFINES b : an area lying beyond the strict limits of a thing