oc·ta·gon 
(ŏktə-gŏn′)
(ŏktə-gŏn′)n.
A polygon with eight sides and eight angles.
[Latin octagōnon, from Greek oktagōnon, from neuter of oktagōnos, octagonal : okta-, octo- + -gōnos, angled; see -GON.]
octagon- common-situs picketing
- common stock
- common time
- common touch
- commonweal
- commonwealth
- Commonwealth of Independent States
- Commonwealth of Nations
- common year
- commotion
- commove
- communal
- communalism
- communalist
- communalistic
- communality
- communalize
- communally
- Communard
- commune
- commune
- communer
- communicability
- communicable
- communicableness