a.

1. 有角的；有尖角的
2. 用角度测量的
   angular distance

   角距离

3. 消瘦的，瘦骨嶙峋的
4. 笨拙的；生硬的
   He walked with angular strides.

   他迈着僵硬的步伐行进。

adj.

1. having angles or sharp corners.
   ▸(of a person) lean and having a prominent bone structure.
2. placed or directed at an angle.
3. Physics  measured with reference to angles, especially those associated with rotation:
   angular momentum.