n.
Pronunciation: s ə (r)- ' k ə m(p)-f ə rn(t)s, -f( ə -)r ə n(t)s
Function: noun
Etymology: Middle English, from Middle French & Latin; Middle French, from Latin circumferentia, from circumferre to carry around, from circum- + ferre to carry ― more at BEAR
Date: 14th century
1 : the perimeter of a circle
2 : the external boundary or surface of a figure or object : PERIPHERY
– cir · cum · fer · en · tial \ - ˌ k ə m(p)-f ə - ' ren(t)-sh ə l \ adjective