dec·a·gon 
(dĕkə-gŏn′)
(dĕkə-gŏn′)n.
A polygon with ten sides and ten angles.
[Medieval Latin decagōnum, from Greek dekagōnon, from neuter of dekagōnos, having ten angles : deka, ten; see dek in the Appendix of Indo-European roots + -gōnos, angled; see -GON.]
de·cago·nal (dĭ-kăgə-nəl) adj.
de·cago·nal·ly adv.
decagon- Socinianism
- Socinus
- socio-
- sociobiological
- sociobiologist
- sociobiology
- sociocultural
- socioculturally
- sociodrama
- socioeconomic
- sociogenic
- sociologic
- sociological
- sociologically
- sociologist
- sociology
- sociometric
- sociometry
- sociopath
- sociopathic
- sociopathy
- sociopolitical
- sociopsychological
- socioreligious
- sock