Thorn

Þ

(letter of the Latin alphabet (Þ, þ))

刺

cì

(sharp protective structure of a plant)

枝刺

zhīcì

(sharp protective structure of a plant)

荊棘 /荆棘

jīngjí

(any shrub or small tree that bears thorns)

莖刺 /茎刺

jīngcì

(sharp protective structure of a plant)