dec.a.gon
n.（名词）A polygon with ten angles and ten sides.十边形：有十个角和十条边的多边形
来源：Medieval Latin decagônum 中世纪拉丁语 decagônum from Greek dekagônon 源自 希腊语 dekagônon deka [ten] * see dekô deka [十] *参见 dekô -gônon [-gon] -gônon [后缀，表.…角形.]
【引伸】
decag.onal
decag.onally
adv.（副词）
