A prickle, spine, or sharp point, as on a plant or an animal.

刺；棘；针。

Any tree or shrub bearing thorns.

有刺的树；荆棘；蒺藜。

Hence, anything that annoys; worry.

苦恼的事物；棘手的事物。

The runic letter used in Old English and Icelandic for the sound /th/.

古北欧文字 (用于古英语及冰岛语,相当于/th/的音)。