- octagon (n.)
- 1650s, from Latin octagonos, from Greek oktagononos, literally "eight-angled," from okta- comb. form of okto "eight" (see eight) + gonia "angle," related to gony "knee" (see -gon). Also octogon (1650s), from French octogone.
- 1. Various windows embellish the corridor, with the shape of square, circle, hexagon and octagon.
- 2. Eight . A circle has 1 line , and an octagon has 8.
- 3. The design of octagon vase is tall and simple; the glaze color is green and clear.
- 八棱瓶造型简洁挺拔, 釉色青绿莹润.
[ octagon 造句 ]