octagonal

形容詞

1. 1

   八角形的、八邊形的

   The old tower has an octagonal base made of gray stone.

   那座舊塔有一個灰石砌成的八角形底座。

2. 2

   八角柱狀的

   She bought a set of octagonal pencils that don't roll off the desk.

   她買了一組八角柱狀的鉛筆，不會從桌上滾下去。